621312454424322 has 32 divisors (see below), whose sum is σ = 1382371979160960. Its totient is φ = 206852506075440.

The previous prime is 621312454424219. The next prime is 621312454424371. The reversal of 621312454424322 is 223424454213126.

621312454424322 is a `hidden beast` number, since 6 + 2 + 1 + 3 + 124 + 54 + 42 + 432 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6990105129 + ... + 6990194012.

It is an arithmetic number, because the mean of its divisors is an integer number (43199124348780).

Almost surely, 2^{621312454424322} is an apocalyptic number.

621312454424322 is an abundant number, since it is smaller than the sum of its proper divisors (761059524736638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621312454424322 is a wasteful number, since it uses less digits than its factorization.

621312454424322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13980299975 (or 13980299969 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 45.

The spelling of 621312454424322 in words is "six hundred twenty-one trillion, three hundred twelve billion, four hundred fifty-four million, four hundred twenty-four thousand, three hundred twenty-two".