257422623039 has 12 divisors (see below), whose sum is σ = 374328201000. Its totient is φ = 170463302064.

The previous prime is 257422622999. The next prime is 257422623043. The reversal of 257422623039 is 930326224752.

257422623039 is a `hidden beast` number, since 2 + 574 + 2 + 26 + 23 + 0 + 39 = 666.

It is not a de Polignac number, because 257422623039 - 2⁷ = 257422622911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 257422622985 and 257422623003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257422623079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95980249 + ... + 95982930.

It is an arithmetic number, because the mean of its divisors is an integer number (31194016750).

Almost surely, 2^257422623039 is an apocalyptic number.

257422623039 is a deficient number, since it is larger than the sum of its proper divisors (116905577961).

257422623039 is a wasteful number, since it uses less digits than its factorization.

257422623039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191963334 (or 191963331 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 257422623039 in words is "two hundred fifty-seven billion, four hundred twenty-two million, six hundred twenty-three thousand, thirty-nine".