2638063315 has 16 divisors (see below), whose sum is σ = 3497629248. Its totient is φ = 1899943936.

The previous prime is 2638063273. The next prime is 2638063319. The reversal of 2638063315 is 5133608362.

It is a happy number.

It is not a de Polignac number, because 2638063315 - 2²⁹ = 2101192403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2638063319) 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 in 15 ways as a sum of consecutive naturals, for example, 672742 + ... + 676651.

It is an arithmetic number, because the mean of its divisors is an integer number (218601828).

Almost surely, 2^2638063315 is an apocalyptic number.

2638063315 is a deficient number, since it is larger than the sum of its proper divisors (859565933).

2638063315 is a wasteful number, since it uses less digits than its factorization.

2638063315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349438.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2638063315 is about 51362.0805166613. The cubic root of 2638063315 is about 1381.7466008764.

The spelling of 2638063315 in words is "two billion, six hundred thirty-eight million, sixty-three thousand, three hundred fifteen".