5638583231 has 2 divisors, whose sum is σ = 5638583232. Its totient is φ = 5638583230.

The previous prime is 5638583227. The next prime is 5638583267. The reversal of 5638583231 is 1323858365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5638583231 - 2² = 5638583227 is a prime.

It is a super-2 number, since 2×5638583231² = 63587241705828798722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5638582231) 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 as a sum of consecutive naturals, namely, 2819291615 + 2819291616.

It is an arithmetic number, because the mean of its divisors is an integer number (2819291616).

Almost surely, 2^5638583231 is an apocalyptic number.

5638583231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5638583231 is an equidigital number, since it uses as much as digits as its factorization.

5638583231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 44.

The square root of 5638583231 is about 75090.5002713393. The cubic root of 5638583231 is about 1779.8770304942.

The spelling of 5638583231 in words is "five billion, six hundred thirty-eight million, five hundred eighty-three thousand, two hundred thirty-one".