621352454425062 has 16 divisors (see below), whose sum is σ = 1242763189128000. Its totient is φ = 207107771428712.

The previous prime is 621352454425039. The next prime is 621352454425103. The reversal of 621352454425062 is 260524454253126.

621352454425062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 621352454424996 and 621352454425014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428206312 + ... + 2428462187.

It is an arithmetic number, because the mean of its divisors is an integer number (77672699320500).

Almost surely, 2^{621352454425062} is an apocalyptic number.

621352454425062 is an abundant number, since it is smaller than the sum of its proper divisors (621410734702938).

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

621352454425062 is a wasteful number, since it uses less digits than its factorization.

621352454425062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856689827.

The product of its (nonzero) digits is 13824000, while the sum is 51.

The spelling of 621352454425062 in words is "six hundred twenty-one trillion, three hundred fifty-two billion, four hundred fifty-four million, four hundred twenty-five thousand, sixty-two".