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12474454453 is a prime number
BaseRepresentation
bin10111001111000100…
…10001000110110101
31012012100212221111121
423213202101012311
5201021430020303
65421454503541
7621062053606
oct134742210665
935170787447
1012474454453
11532156029a
122501804bb1
13123a5442c6
14864a43dad
154d023e9bd
hex2e78911b5

12474454453 has 2 divisors, whose sum is σ = 12474454454. Its totient is φ = 12474454452.

The previous prime is 12474454451. The next prime is 12474454457. The reversal of 12474454453 is 35445447421.

It is a happy number.

12474454453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12162119524 + 312334929 = 110282^2 + 17673^2 .

It is an emirp because it is prime and its reverse (35445447421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12474454453 - 21 = 12474454451 is a prime.

It is a super-2 number, since 2×124744544532 (a number of 21 digits) contains 22 as substring.

Together with 12474454451, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12474454451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237227226 + 6237227227.

It is an arithmetic number, because the mean of its divisors is an integer number (6237227227).

Almost surely, 212474454453 is an apocalyptic number.

It is an amenable number.

12474454453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12474454453 is an equidigital number, since it uses as much as digits as its factorization.

12474454453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1075200, while the sum is 43.

The spelling of 12474454453 in words is "twelve billion, four hundred seventy-four million, four hundred fifty-four thousand, four hundred fifty-three".