621132412234 has 16 divisors (see below), whose sum is σ = 934188748416. Its totient is φ = 309736440000.

The previous prime is 621132412231. The next prime is 621132412297. The reversal of 621132412234 is 432214231126.

It is a junction number, because it is equal to n+sod(n) for n = 621132412196 and 621132412205.

It is not an unprimeable number, because it can be changed into a prime (621132412231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4626319 + ... + 4758685.

It is an arithmetic number, because the mean of its divisors is an integer number (58386796776).

Almost surely, 2^621132412234 is an apocalyptic number.

621132412234 is a deficient number, since it is larger than the sum of its proper divisors (313056336182).

621132412234 is a wasteful number, since it uses less digits than its factorization.

621132412234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138621.

The product of its digits is 13824, while the sum is 31.

The spelling of 621132412234 in words is "six hundred twenty-one billion, one hundred thirty-two million, four hundred twelve thousand, two hundred thirty-four".