621606892474 has 32 divisors (see below), whose sum is σ = 992431440000. Its totient is φ = 290988656640.

The previous prime is 621606892469. The next prime is 621606892481. The reversal of 621606892474 is 474298606126.

621606892474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 51747129 + ... + 51759139.

It is an arithmetic number, because the mean of its divisors is an integer number (31013482500).

Almost surely, 2^621606892474 is an apocalyptic number.

621606892474 is a deficient number, since it is larger than the sum of its proper divisors (370824547526).

621606892474 is a wasteful number, since it uses less digits than its factorization.

621606892474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878.

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 621606892474 in words is "six hundred twenty-one billion, six hundred six million, eight hundred ninety-two thousand, four hundred seventy-four".