5626626621 has 32 divisors (see below), whose sum is σ = 9481509888. Its totient is φ = 2882874240.

The previous prime is 5626626613. The next prime is 5626626623. The reversal of 5626626621 is 1266266265.

It is not a de Polignac number, because 5626626621 - 2³ = 5626626613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5626626623) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 149971 + ... + 183696.

It is an arithmetic number, because the mean of its divisors is an integer number (296297184).

Almost surely, 2^5626626621 is an apocalyptic number.

It is an amenable number.

5626626621 is a deficient number, since it is larger than the sum of its proper divisors (3854883267).

5626626621 is a wasteful number, since it uses less digits than its factorization.

5626626621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333761.

The product of its digits is 311040, while the sum is 42.

The square root of 5626626621 is about 75010.8433561442. The cubic root of 5626626621 is about 1778.6180643853.

It can be divided in two parts, 5 and 626626621, that added together give a palindrome (626626626).

The spelling of 5626626621 in words is "five billion, six hundred twenty-six million, six hundred twenty-six thousand, six hundred twenty-one".