257013752902 has 16 divisors (see below), whose sum is σ = 396643438512. Its totient is φ = 124811612640.

The previous prime is 257013752899. The next prime is 257013752909. The reversal of 257013752902 is 209257310752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257013752909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3042849 + ... + 3126172.

It is an arithmetic number, because the mean of its divisors is an integer number (24790214907).

Almost surely, 2^257013752902 is an apocalyptic number.

257013752902 is a deficient number, since it is larger than the sum of its proper divisors (139629685610).

257013752902 is a wasteful number, since it uses less digits than its factorization.

257013752902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6169623.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 257013752902 in words is "two hundred fifty-seven billion, thirteen million, seven hundred fifty-two thousand, nine hundred two".