621483211835124 has 12 divisors (see below), whose sum is σ = 1450127494281984. Its totient is φ = 207161070611704.

The previous prime is 621483211835111. The next prime is 621483211835131. The reversal of 621483211835124 is 421538112384126.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×621483211835124² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25895133826452 + ... + 25895133826475.

It is an arithmetic number, because the mean of its divisors is an integer number (120843957856832).

Almost surely, 2^{621483211835124} is an apocalyptic number.

It is an amenable number.

621483211835124 is an abundant number, since it is smaller than the sum of its proper divisors (828644282446860).

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

621483211835124 is a wasteful number, since it uses less digits than its factorization.

621483211835124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51790267652934 (or 51790267652932 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The spelling of 621483211835124 in words is "six hundred twenty-one trillion, four hundred eighty-three billion, two hundred eleven million, eight hundred thirty-five thousand, one hundred twenty-four".