57709081139 has 2 divisors, whose sum is σ = 57709081140. Its totient is φ = 57709081138.

The previous prime is 57709081117. The next prime is 57709081151. The reversal of 57709081139 is 93118090775.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57709081139 - 2²⁴ = 57692303923 is a prime.

It is not a weakly prime, because it can be changed into another prime (57709081439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28854540569 + 28854540570.

It is an arithmetic number, because the mean of its divisors is an integer number (28854540570).

Almost surely, 2^57709081139 is an apocalyptic number.

57709081139 is a deficient number, since it is larger than the sum of its proper divisors (1).

57709081139 is an equidigital number, since it uses as much as digits as its factorization.

57709081139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 50.

The spelling of 57709081139 in words is "fifty-seven billion, seven hundred nine million, eighty-one thousand, one hundred thirty-nine".