57427315639 has 2 divisors, whose sum is σ = 57427315640. Its totient is φ = 57427315638.

The previous prime is 57427315619. The next prime is 57427315651. The reversal of 57427315639 is 93651372475.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57427315639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57427315609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28713657819 + 28713657820.

It is an arithmetic number, because the mean of its divisors is an integer number (28713657820).

Almost surely, 2^57427315639 is an apocalyptic number.

57427315639 is a deficient number, since it is larger than the sum of its proper divisors (1).

57427315639 is an equidigital number, since it uses as much as digits as its factorization.

57427315639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 52.

The spelling of 57427315639 in words is "fifty-seven billion, four hundred twenty-seven million, three hundred fifteen thousand, six hundred thirty-nine".