2638107859 has 2 divisors, whose sum is σ = 2638107860. Its totient is φ = 2638107858.

The previous prime is 2638107847. The next prime is 2638107869. The reversal of 2638107859 is 9587018362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2638107859 - 2¹⁷ = 2637976787 is a prime.

It is a super-2 number, since 2×2638107859² = 13919226151435127762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2638107869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319053929 + 1319053930.

It is an arithmetic number, because the mean of its divisors is an integer number (1319053930).

Almost surely, 2^2638107859 is an apocalyptic number.

2638107859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2638107859 is an equidigital number, since it uses as much as digits as its factorization.

2638107859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 2638107859 is about 51362.5141421251. The cubic root of 2638107859 is about 1381.7543778157.

The spelling of 2638107859 in words is "two billion, six hundred thirty-eight million, one hundred seven thousand, eight hundred fifty-nine".