621703422275 has 36 divisors (see below), whose sum is σ = 839897044488. Its totient is φ = 456286970880.

The previous prime is 621703422227. The next prime is 621703422293. The reversal of 621703422275 is 572224307126.

It is not a de Polignac number, because 621703422275 - 2¹⁶ = 621703356739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 237299 + ... + 1140051.

It is an arithmetic number, because the mean of its divisors is an integer number (23330473458).

Almost surely, 2^621703422275 is an apocalyptic number.

621703422275 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

621703422275 is a deficient number, since it is larger than the sum of its proper divisors (218193622213).

621703422275 is a wasteful number, since it uses less digits than its factorization.

621703422275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902952 (or 902934 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 621703422275 in words is "six hundred twenty-one billion, seven hundred three million, four hundred twenty-two thousand, two hundred seventy-five".