Search a number
-
+
1373019469 is a prime number
BaseRepresentation
bin101000111010110…
…1001110101001101
310112200120121121221
41101311221311031
510302443110334
6344124323341
746011321133
oct12165516515
93480517557
101373019469
11645040938
123239a3551
1318b5c2c73
14d04cb753
15808158b4
hex51d69d4d

1373019469 has 2 divisors, whose sum is σ = 1373019470. Its totient is φ = 1373019468.

The previous prime is 1373019451. The next prime is 1373019499. The reversal of 1373019469 is 9649103731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1372702500 + 316969 = 37050^2 + 563^2 .

It is an emirp because it is prime and its reverse (9649103731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1373019469 - 211 = 1373017421 is a prime.

It is a super-2 number, since 2×13730194692 = 3770364924506083922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373019499) 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, 686509734 + 686509735.

It is an arithmetic number, because the mean of its divisors is an integer number (686509735).

Almost surely, 21373019469 is an apocalyptic number.

It is an amenable number.

1373019469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373019469 is an equidigital number, since it uses as much as digits as its factorization.

1373019469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 1373019469 is about 37054.2773374411. The cubic root of 1373019469 is about 1111.4558903742.

The spelling of 1373019469 in words is "one billion, three hundred seventy-three million, nineteen thousand, four hundred sixty-nine".