5156229621 has 16 divisors (see below), whose sum is σ = 6904310400. Its totient is φ = 3422849088.

The previous prime is 5156229607. The next prime is 5156229643. The reversal of 5156229621 is 1269226515.

It is not a de Polignac number, because 5156229621 - 2²⁵ = 5122675189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5156229621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156229691) 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 15 ways as a sum of consecutive naturals, for example, 751635 + ... + 758463.

It is an arithmetic number, because the mean of its divisors is an integer number (431519400).

Almost surely, 2^5156229621 is an apocalyptic number.

It is an amenable number.

5156229621 is a deficient number, since it is larger than the sum of its proper divisors (1748080779).

5156229621 is a wasteful number, since it uses less digits than its factorization.

5156229621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7868.

The product of its digits is 64800, while the sum is 39.

The square root of 5156229621 is about 71806.8911804431. The cubic root of 5156229621 is about 1727.6035314996.

The spelling of 5156229621 in words is "five billion, one hundred fifty-six million, two hundred twenty-nine thousand, six hundred twenty-one".