5636512871 has 24 divisors (see below), whose sum is σ = 6478023552. Its totient is φ = 4891352400.

The previous prime is 5636512859. The next prime is 5636512879. The reversal of 5636512871 is 1782156365.

It is not a de Polignac number, because 5636512871 - 2¹⁸ = 5636250727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636512879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1587320 + ... + 1590866.

It is an arithmetic number, because the mean of its divisors is an integer number (269917648).

Almost surely, 2^5636512871 is an apocalyptic number.

5636512871 is a deficient number, since it is larger than the sum of its proper divisors (841510681).

5636512871 is a wasteful number, since it uses less digits than its factorization.

5636512871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163 (or 4152 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 5636512871 is about 75076.7132405249. The cubic root of 5636512871 is about 1779.6591603210.

The spelling of 5636512871 in words is "five billion, six hundred thirty-six million, five hundred twelve thousand, eight hundred seventy-one".