2639392988 has 12 divisors (see below), whose sum is σ = 4627059360. Its totient is φ = 1317376032.

The previous prime is 2639392967. The next prime is 2639392993. The reversal of 2639392988 is 8892939362.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577556 + ... + 582107.

It is an arithmetic number, because the mean of its divisors is an integer number (385588280).

Almost surely, 2^2639392988 is an apocalyptic number.

It is an amenable number.

2639392988 is a deficient number, since it is larger than the sum of its proper divisors (1987666372).

2639392988 is a wasteful number, since it uses less digits than its factorization.

2639392988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160236 (or 1160234 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 59.

The square root of 2639392988 is about 51375.0229975618. The cubic root of 2639392988 is about 1381.9787108668.

The spelling of 2639392988 in words is "two billion, six hundred thirty-nine million, three hundred ninety-two thousand, nine hundred eighty-eight".