2498625639 has 24 divisors (see below), whose sum is σ = 3727003280. Its totient is φ = 1612058112.

The previous prime is 2498625629. The next prime is 2498625659. The reversal of 2498625639 is 9365268942.

It is a happy number.

2498625639 is a `hidden beast` number, since 2 + 4 + 9 + 8 + 625 + 6 + 3 + 9 = 666.

It is not a de Polignac number, because 2498625639 - 2¹³ = 2498617447 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 (2498625629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12567 + ... + 71799.

Almost surely, 2^2498625639 is an apocalyptic number.

2498625639 is a deficient number, since it is larger than the sum of its proper divisors (1228377641).

2498625639 is a wasteful number, since it uses less digits than its factorization.

2498625639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59391 (or 59388 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 2498625639 is about 49986.2545006125. The cubic root of 2498625639 is about 1356.9600567280.

It can be divided in two parts, 24986 and 25639, that added together give a 4-th power (50625 = 15⁴).

The spelling of 2498625639 in words is "two billion, four hundred ninety-eight million, six hundred twenty-five thousand, six hundred thirty-nine".