621054540631612 has 12 divisors (see below), whose sum is σ = 1086897675836560. Its totient is φ = 310512347535456.

The previous prime is 621054540631583. The next prime is 621054540631667. The reversal of 621054540631612 is 216136045450126.

621054540631612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3730601448 + ... + 3730767919.

Almost surely, 2^{621054540631612} is an apocalyptic number.

It is an amenable number.

621054540631612 is a deficient number, since it is larger than the sum of its proper divisors (465843135204948).

621054540631612 is a wasteful number, since it uses less digits than its factorization.

621054540631612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7461390180 (or 7461390178 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 621054540631612 in words is "six hundred twenty-one trillion, fifty-four billion, five hundred forty million, six hundred thirty-one thousand, six hundred twelve".