621432423004 has 48 divisors (see below), whose sum is σ = 1182895969248. Its totient is φ = 284463525888.

The previous prime is 621432422999. The next prime is 621432423011. The reversal of 621432423004 is 400324234126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10721967 + ... + 10779769.

It is an arithmetic number, because the mean of its divisors is an integer number (24643666026).

Almost surely, 2^621432423004 is an apocalyptic number.

It is an amenable number.

621432423004 is a deficient number, since it is larger than the sum of its proper divisors (561463546244).

621432423004 is a wasteful number, since it uses less digits than its factorization.

621432423004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62134 (or 62132 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 621432423004 in words is "six hundred twenty-one billion, four hundred thirty-two million, four hundred twenty-three thousand, four".