57660573629 has 2 divisors, whose sum is σ = 57660573630. Its totient is φ = 57660573628.

The previous prime is 57660573617. The next prime is 57660573643. The reversal of 57660573629 is 92637506675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35758053604 + 21902520025 = 189098^2 + 147995^2 .

It is a cyclic number.

It is not a de Polignac number, because 57660573629 - 2²⁸ = 57392138173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57660573679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28830286814 + 28830286815.

It is an arithmetic number, because the mean of its divisors is an integer number (28830286815).

Almost surely, 2^57660573629 is an apocalyptic number.

It is an amenable number.

57660573629 is a deficient number, since it is larger than the sum of its proper divisors (1).

57660573629 is an equidigital number, since it uses as much as digits as its factorization.

57660573629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 56.

The spelling of 57660573629 in words is "fifty-seven billion, six hundred sixty million, five hundred seventy-three thousand, six hundred twenty-nine".