57205971069 has 16 divisors (see below), whose sum is σ = 82616725632. Its totient is φ = 35000180928.

The previous prime is 57205970977. The next prime is 57205971071. The reversal of 57205971069 is 96017950275.

It is a de Polignac number, because none of the positive numbers 2^k-57205971069 is a prime.

It is a super-2 number, since 2×57205971069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57205971569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4232617 + ... + 4246110.

It is an arithmetic number, because the mean of its divisors is an integer number (5163545352).

Almost surely, 2^57205971069 is an apocalyptic number.

It is an amenable number.

57205971069 is a deficient number, since it is larger than the sum of its proper divisors (25410754563).

57205971069 is a wasteful number, since it uses less digits than its factorization.

57205971069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8478916.

The product of its (nonzero) digits is 1190700, while the sum is 51.

The spelling of 57205971069 in words is "fifty-seven billion, two hundred five million, nine hundred seventy-one thousand, sixty-nine".