621900423214 has 16 divisors (see below), whose sum is σ = 1066337280000. Its totient is φ = 266473185624.

The previous prime is 621900423211. The next prime is 621900423241. The reversal of 621900423214 is 412324009126.

It is a self number, because there is not a number n which added to its sum of digits gives 621900423214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621900423211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4561014 + ... + 4695385.

It is an arithmetic number, because the mean of its divisors is an integer number (66646080000).

Almost surely, 2^621900423214 is an apocalyptic number.

621900423214 is a deficient number, since it is larger than the sum of its proper divisors (444436856786).

621900423214 is a wasteful number, since it uses less digits than its factorization.

621900423214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9261207.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 621900423214 in words is "six hundred twenty-one billion, nine hundred million, four hundred twenty-three thousand, two hundred fourteen".