5633636872 has 32 divisors (see below), whose sum is σ = 10889040600. Its totient is φ = 2730461184.

The previous prime is 5633636863. The next prime is 5633636893. The reversal of 5633636872 is 2786363365.

It can be written as a sum of positive squares in 4 ways, for example, as 3959681476 + 1673955396 = 62926^2 + 40914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44248 + ... + 115000.

Almost surely, 2^5633636872 is an apocalyptic number.

It is an amenable number.

5633636872 is a deficient number, since it is larger than the sum of its proper divisors (5255403728).

5633636872 is a wasteful number, since it uses less digits than its factorization.

5633636872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71065 (or 71061 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 49.

The square root of 5633636872 is about 75057.5570612313. The cubic root of 5633636872 is about 1779.3564217982.

The spelling of 5633636872 in words is "five billion, six hundred thirty-three million, six hundred thirty-six thousand, eight hundred seventy-two".