257092689632 has 12 divisors (see below), whose sum is σ = 506151232776. Its totient is φ = 128546344800.

The previous prime is 257092689631. The next prime is 257092689671. The reversal of 257092689632 is 236986290752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257092689631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4017073244 + ... + 4017073307.

It is an arithmetic number, because the mean of its divisors is an integer number (42179269398).

Almost surely, 2^257092689632 is an apocalyptic number.

It is an amenable number.

257092689632 is a deficient number, since it is larger than the sum of its proper divisors (249058543144).

257092689632 is an equidigital number, since it uses as much as digits as its factorization.

257092689632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034146561 (or 8034146553 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 257092689632 in words is "two hundred fifty-seven billion, ninety-two million, six hundred eighty-nine thousand, six hundred thirty-two".