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3544093381 is a prime number
BaseRepresentation
bin1101001100111110…
…1001001011000101
3100010222211121010211
43103033221023011
524224241442011
61343402115421
7153553203523
oct32317511305
910128747124
103544093381
1115596038a4
1282aaabb71
1344633739a
14258999313
1515b21bb21
hexd33e92c5

3544093381 has 2 divisors, whose sum is σ = 3544093382. Its totient is φ = 3544093380.

The previous prime is 3544093379. The next prime is 3544093403. The reversal of 3544093381 is 1833904453.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2561270881 + 982822500 = 50609^2 + 31350^2 .

It is a cyclic number.

It is not a de Polignac number, because 3544093381 - 21 = 3544093379 is a prime.

It is a super-2 number, since 2×35440933812 = 25121195786496022322, which contains 22 as substring.

Together with 3544093379, 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 (3544093331) 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, 1772046690 + 1772046691.

It is an arithmetic number, because the mean of its divisors is an integer number (1772046691).

Almost surely, 23544093381 is an apocalyptic number.

It is an amenable number.

3544093381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3544093381 is an equidigital number, since it uses as much as digits as its factorization.

3544093381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 3544093381 is about 59532.2885583949. The cubic root of 3544093381 is about 1524.6437768343.

It can be divided in two parts, 35440 and 93381, that added together give a palindrome (128821).

The spelling of 3544093381 in words is "three billion, five hundred forty-four million, ninety-three thousand, three hundred eighty-one".