256632006625363 has 4 divisors (see below), whose sum is σ = 256704155070480. Its totient is φ = 256559858180248.

The previous prime is 256632006625339. The next prime is 256632006625369. The reversal of 256632006625363 is 363526600236652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256632006625363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256632006625369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36074217223 + ... + 36074224336.

It is an arithmetic number, because the mean of its divisors is an integer number (64176038767620).

Almost surely, 2^{256632006625363} is an apocalyptic number.

256632006625363 is a deficient number, since it is larger than the sum of its proper divisors (72148445117).

256632006625363 is an equidigital number, since it uses as much as digits as its factorization.

256632006625363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72148445116.

The product of its (nonzero) digits is 41990400, while the sum is 55.

The spelling of 256632006625363 in words is "two hundred fifty-six trillion, six hundred thirty-two billion, six million, six hundred twenty-five thousand, three hundred sixty-three".