2639130717 has 8 divisors (see below), whose sum is σ = 3520132000. Its totient is φ = 1758774960.

The previous prime is 2639130691. The next prime is 2639130727. The reversal of 2639130717 is 7170319362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2639130717 - 2¹⁹ = 2638606429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2639130727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151759 + ... + 168252.

It is an arithmetic number, because the mean of its divisors is an integer number (440016500).

Almost surely, 2^2639130717 is an apocalyptic number.

It is an amenable number.

2639130717 is a deficient number, since it is larger than the sum of its proper divisors (881001283).

2639130717 is a wasteful number, since it uses less digits than its factorization.

2639130717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322763.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 2639130717 is about 51372.4704194766. The cubic root of 2639130717 is about 1381.9329345657.

The spelling of 2639130717 in words is "two billion, six hundred thirty-nine million, one hundred thirty thousand, seven hundred seventeen".