5263221536 has 24 divisors (see below), whose sum is σ = 10391679900. Its totient is φ = 2624064768.

The previous prime is 5263221527. The next prime is 5263221563. The reversal of 5263221536 is 6351223625.

It can be written as a sum of positive squares in 2 ways, for example, as 4838037136 + 425184400 = 69556^2 + 20620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5263221496 and 5263221505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224471 + ... + 246806.

Almost surely, 2^5263221536 is an apocalyptic number.

It is an amenable number.

5263221536 is a deficient number, since it is larger than the sum of its proper divisors (5128458364).

5263221536 is a wasteful number, since it uses less digits than its factorization.

5263221536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471636 (or 471628 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 5263221536 is about 72548.0636268123. The cubic root of 5263221536 is about 1739.4710965684.

The spelling of 5263221536 in words is "five billion, two hundred sixty-three million, two hundred twenty-one thousand, five hundred thirty-six".