621264413 has 32 divisors (see below), whose sum is σ = 826951680. Its totient is φ = 452088000.

The previous prime is 621264403. The next prime is 621264467. The reversal of 621264413 is 314462126.

It is not a de Polignac number, because 621264413 - 2⁸ = 621264157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621264403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100883 + ... + 106863.

It is an arithmetic number, because the mean of its divisors is an integer number (25842240).

Almost surely, 2^621264413 is an apocalyptic number.

It is an amenable number.

621264413 is a deficient number, since it is larger than the sum of its proper divisors (205687267).

621264413 is a wasteful number, since it uses less digits than its factorization.

621264413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6089.

The product of its digits is 6912, while the sum is 29.

The square root of 621264413 is about 24925.1762882432. The cubic root of 621264413 is about 853.2811645998.

The spelling of 621264413 in words is "six hundred twenty-one million, two hundred sixty-four thousand, four hundred thirteen".