57030140639 has 2 divisors, whose sum is σ = 57030140640. Its totient is φ = 57030140638.

The previous prime is 57030140623. The next prime is 57030140647. The reversal of 57030140639 is 93604103075.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57030140639 - 2⁴ = 57030140623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57030140689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28515070319 + 28515070320.

It is an arithmetic number, because the mean of its divisors is an integer number (28515070320).

Almost surely, 2^57030140639 is an apocalyptic number.

57030140639 is a deficient number, since it is larger than the sum of its proper divisors (1).

57030140639 is an equidigital number, since it uses as much as digits as its factorization.

57030140639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 57030140639 in words is "fifty-seven billion, thirty million, one hundred forty thousand, six hundred thirty-nine".