621274294112238 has 48 divisors (see below), whose sum is σ = 1494979563763440. Its totient is φ = 191161321262496.

The previous prime is 621274294112209. The next prime is 621274294112243. The reversal of 621274294112238 is 832211492472126.

621274294112238 is a `hidden beast` number, since 6 + 2 + 1 + 2 + 7 + 4 + 294 + 112 + 238 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34038687681 + ... + 34038705932.

It is an arithmetic number, because the mean of its divisors is an integer number (31145407578405).

Almost surely, 2^{621274294112238} is an apocalyptic number.

621274294112238 is an abundant number, since it is smaller than the sum of its proper divisors (873705269651202).

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

621274294112238 is a wasteful number, since it uses less digits than its factorization.

621274294112238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68077393650 (or 68077393631 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 621274294112238 in words is "six hundred twenty-one trillion, two hundred seventy-four billion, two hundred ninety-four million, one hundred twelve thousand, two hundred thirty-eight".