621132412215 has 16 divisors (see below), whose sum is σ = 1135784982528. Its totient is φ = 283946245536.

The previous prime is 621132412181. The next prime is 621132412231. The reversal of 621132412215 is 512214231126.

It is not a de Polignac number, because 621132412215 - 2⁶ = 621132412151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2957773287 + ... + 2957773496.

It is an arithmetic number, because the mean of its divisors is an integer number (70986561408).

Almost surely, 2^621132412215 is an apocalyptic number.

621132412215 is a deficient number, since it is larger than the sum of its proper divisors (514652570313).

621132412215 is a wasteful number, since it uses less digits than its factorization.

621132412215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915546798.

The product of its digits is 5760, while the sum is 30.

The spelling of 621132412215 in words is "six hundred twenty-one billion, one hundred thirty-two million, four hundred twelve thousand, two hundred fifteen".