257064153363 has 10 divisors (see below), whose sum is σ = 384009414404. Its totient is φ = 171376102188.

The previous prime is 257064153343. The next prime is 257064153371. The reversal of 257064153363 is 363351460752.

It is a happy number.

257064153363 is a `hidden beast` number, since 2 + 5 + 70 + 6 + 41 + 533 + 6 + 3 = 666.

It is not a de Polignac number, because 257064153363 - 2⁶ = 257064153299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257064153343) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1586815681 + ... + 1586815842.

Almost surely, 2^257064153363 is an apocalyptic number.

257064153363 is a deficient number, since it is larger than the sum of its proper divisors (126945261041).

257064153363 is an equidigital number, since it uses as much as digits as its factorization.

257064153363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173631535 (or 3173631526 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 257064153363 in words is "two hundred fifty-seven billion, sixty-four million, one hundred fifty-three thousand, three hundred sixty-three".