2608582690 has 64 divisors (see below), whose sum is σ = 5466795264. Its totient is φ = 877713408.

The previous prime is 2608582649. The next prime is 2608582693. The reversal of 2608582690 is 962858062.

2608582690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2608582690² = 13609407301135272200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2608582690.

It is not an unprimeable number, because it can be changed into a prime (2608582693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1467082 + ... + 1468858.

It is an arithmetic number, because the mean of its divisors is an integer number (85418676).

Almost surely, 2^2608582690 is an apocalyptic number.

2608582690 is an abundant number, since it is smaller than the sum of its proper divisors (2858212574).

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

2608582690 is a wasteful number, since it uses less digits than its factorization.

2608582690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2608582690 is about 51074.2859959882. The cubic root of 2608582690 is about 1376.5802552201.

The spelling of 2608582690 in words is "two billion, six hundred eight million, five hundred eighty-two thousand, six hundred ninety".