2530758639 has 16 divisors (see below), whose sum is σ = 3489340032. Its totient is φ = 1630625568.

The previous prime is 2530758613. The next prime is 2530758673. The reversal of 2530758639 is 9368570352.

It is a happy number.

It is not a de Polignac number, because 2530758639 - 2⁷ = 2530758511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530750639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108129 + ... + 129434.

It is an arithmetic number, because the mean of its divisors is an integer number (218083752).

Almost surely, 2^2530758639 is an apocalyptic number.

2530758639 is a deficient number, since it is larger than the sum of its proper divisors (958581393).

2530758639 is a wasteful number, since it uses less digits than its factorization.

2530758639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237686.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 2530758639 is about 50306.6460718661. The cubic root of 2530758639 is about 1362.7522549973.

The spelling of 2530758639 in words is "two billion, five hundred thirty million, seven hundred fifty-eight thousand, six hundred thirty-nine".