2639080206 has 24 divisors (see below), whose sum is σ = 6534865584. Its totient is φ = 754022880.

The previous prime is 2639080181. The next prime is 2639080211. The reversal of 2639080206 is 6020809362.

2639080206 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10472415 + ... + 10472666.

It is an arithmetic number, because the mean of its divisors is an integer number (272286066).

Almost surely, 2^2639080206 is an apocalyptic number.

2639080206 is an abundant number, since it is smaller than the sum of its proper divisors (3895785378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2639080206 is a wasteful number, since it uses less digits than its factorization.

2639080206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20945096 (or 20945093 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2639080206 is about 51371.9788016775. The cubic root of 2639080206 is about 1381.9241181198.

Adding to 2639080206 its reverse (6020809362), we get a palindrome (8659889568).

The spelling of 2639080206 in words is "two billion, six hundred thirty-nine million, eighty thousand, two hundred six".