5638563250 has 16 divisors (see below), whose sum is σ = 10555390872. Its totient is φ = 2255425200.

The previous prime is 5638563233. The next prime is 5638563269. The reversal of 5638563250 is 523658365.

It can be written as a sum of positive squares in 4 ways, for example, as 841754169 + 4796809081 = 29013^2 + 69259^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 5638563197 and 5638563206.

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, 11276877 + ... + 11277376.

Almost surely, 2^5638563250 is an apocalyptic number.

5638563250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5638563250 is a deficient number, since it is larger than the sum of its proper divisors (4916827622).

5638563250 is a wasteful number, since it uses less digits than its factorization.

5638563250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22554270 (or 22554260 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The square root of 5638563250 is about 75090.3672250975. The cubic root of 5638563250 is about 1779.8749280887.

The spelling of 5638563250 in words is "five billion, six hundred thirty-eight million, five hundred sixty-three thousand, two hundred fifty".