57294925693 has 2 divisors, whose sum is σ = 57294925694. Its totient is φ = 57294925692.

The previous prime is 57294925687. The next prime is 57294925729. The reversal of 57294925693 is 39652949275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43606627684 + 13688298009 = 208822^2 + 116997^2 .

It is a cyclic number.

It is not a de Polignac number, because 57294925693 - 2⁵ = 57294925661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57294925673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28647462846 + 28647462847.

It is an arithmetic number, because the mean of its divisors is an integer number (28647462847).

Almost surely, 2^57294925693 is an apocalyptic number.

It is an amenable number.

57294925693 is a deficient number, since it is larger than the sum of its proper divisors (1).

57294925693 is an equidigital number, since it uses as much as digits as its factorization.

57294925693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36741600, while the sum is 61.

The spelling of 57294925693 in words is "fifty-seven billion, two hundred ninety-four million, nine hundred twenty-five thousand, six hundred ninety-three".