255657426627635 has 8 divisors (see below), whose sum is σ = 306823433094816. Its totient is φ = 204502927207680.

The previous prime is 255657426627619. The next prime is 255657426627643. The reversal of 255657426627635 is 536726624756552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255657426627635 - 2⁴ = 255657426627619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2876712926 + ... + 2876801795.

It is an arithmetic number, because the mean of its divisors is an integer number (38352929136852).

Almost surely, 2^{255657426627635} is an apocalyptic number.

255657426627635 is a deficient number, since it is larger than the sum of its proper divisors (51166006467181).

255657426627635 is an equidigital number, since it uses as much as digits as its factorization.

255657426627635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753523613.

The product of its digits is 3810240000, while the sum is 71.

The spelling of 255657426627635 in words is "two hundred fifty-five trillion, six hundred fifty-seven billion, four hundred twenty-six million, six hundred twenty-seven thousand, six hundred thirty-five".