621600005654422 has 16 divisors (see below), whose sum is σ = 987721022341872. Its totient is φ = 292377218745600.

The previous prime is 621600005654413. The next prime is 621600005654461. The reversal of 621600005654422 is 224456500006126.

It is a happy number.

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, 4388396079 + ... + 4388537722.

It is an arithmetic number, because the mean of its divisors is an integer number (61732563896367).

Almost surely, 2^{621600005654422} is an apocalyptic number.

621600005654422 is a deficient number, since it is larger than the sum of its proper divisors (366121016687450).

621600005654422 is a wasteful number, since it uses less digits than its factorization.

621600005654422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8776935903.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 621600005654422 in words is "six hundred twenty-one trillion, six hundred billion, five million, six hundred fifty-four thousand, four hundred twenty-two".