57326769431 has 24 divisors (see below), whose sum is σ = 59027061600. Its totient is φ = 55667284992.

The previous prime is 57326769413. The next prime is 57326769433. The reversal of 57326769431 is 13496762375.

57326769431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-57326769431 is a prime.

It is a super-2 number, since 2×57326769431² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57326769433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144399725 + ... + 144400121.

It is an arithmetic number, because the mean of its divisors is an integer number (2459460900).

Almost surely, 2^57326769431 is an apocalyptic number.

57326769431 is a deficient number, since it is larger than the sum of its proper divisors (1700292169).

57326769431 is a wasteful number, since it uses less digits than its factorization.

57326769431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 746 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 53.

The spelling of 57326769431 in words is "fifty-seven billion, three hundred twenty-six million, seven hundred sixty-nine thousand, four hundred thirty-one".