621410320132 has 18 divisors (see below), whose sum is σ = 1265013866382. Its totient is φ = 266318708544.

The previous prime is 621410320121. The next prime is 621410320151. The reversal of 621410320132 is 231023014126.

621410320132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 595403597376 + 26006722756 = 771624^2 + 161266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 621410320097 and 621410320106.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1585230213 + ... + 1585230604.

Almost surely, 2^621410320132 is an apocalyptic number.

It is an amenable number.

621410320132 is an abundant number, since it is smaller than the sum of its proper divisors (643603546250).

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

621410320132 is a wasteful number, since it uses less digits than its factorization.

621410320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170460835 (or 3170460826 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 621410320132 its reverse (231023014126), we get a palindrome (852433334258).

The spelling of 621410320132 in words is "six hundred twenty-one billion, four hundred ten million, three hundred twenty thousand, one hundred thirty-two".