57288332639 has 2 divisors, whose sum is σ = 57288332640. Its totient is φ = 57288332638.

The previous prime is 57288332617. The next prime is 57288332653. The reversal of 57288332639 is 93623388275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57288332639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57288332669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28644166319 + 28644166320.

It is an arithmetic number, because the mean of its divisors is an integer number (28644166320).

Almost surely, 2^57288332639 is an apocalyptic number.

57288332639 is a deficient number, since it is larger than the sum of its proper divisors (1).

57288332639 is an equidigital number, since it uses as much as digits as its factorization.

57288332639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 56.

The spelling of 57288332639 in words is "fifty-seven billion, two hundred eighty-eight million, three hundred thirty-two thousand, six hundred thirty-nine".