621550422316 has 24 divisors (see below), whose sum is σ = 1151899388640. Its totient is φ = 292442756352.

The previous prime is 621550422301. The next prime is 621550422341. The reversal of 621550422316 is 613224055126.

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, 415656 + ... + 1189903.

It is an arithmetic number, because the mean of its divisors is an integer number (47995807860).

Almost surely, 2^621550422316 is an apocalyptic number.

It is an amenable number.

621550422316 is a deficient number, since it is larger than the sum of its proper divisors (530348966324).

621550422316 is a wasteful number, since it uses less digits than its factorization.

621550422316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611273 (or 1611271 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 621550422316 in words is "six hundred twenty-one billion, five hundred fifty million, four hundred twenty-two thousand, three hundred sixteen".