3638112113 has 2 divisors, whose sum is σ = 3638112114. Its totient is φ = 3638112112.

The previous prime is 3638112083. The next prime is 3638112133. The reversal of 3638112113 is 3112118363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2555504704 + 1082607409 = 50552^2 + 32903^2 .

It is a cyclic number.

It is not a de Polignac number, because 3638112113 - 2¹² = 3638108017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3638112133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1819056056 + 1819056057.

It is an arithmetic number, because the mean of its divisors is an integer number (1819056057).

Almost surely, 2^3638112113 is an apocalyptic number.

It is an amenable number.

3638112113 is a deficient number, since it is larger than the sum of its proper divisors (1).

3638112113 is an equidigital number, since it uses as much as digits as its factorization.

3638112113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 3638112113 is about 60316.7647756409. The cubic root of 3638112113 is about 1538.0083480703.

The spelling of 3638112113 in words is "three billion, six hundred thirty-eight million, one hundred twelve thousand, one hundred thirteen".