2597689090 has 32 divisors (see below), whose sum is σ = 4740341760. Its totient is φ = 1024830144.

The previous prime is 2597689057. The next prime is 2597689099. The reversal of 2597689090 is 909867952.

It is not an unprimeable number, because it can be changed into a prime (2597689099) 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, 237727 + ... + 248413.

It is an arithmetic number, because the mean of its divisors is an integer number (148135680).

Almost surely, 2^2597689090 is an apocalyptic number.

2597689090 is a deficient number, since it is larger than the sum of its proper divisors (2142652670).

2597689090 is a wasteful number, since it uses less digits than its factorization.

2597689090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11026.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The square root of 2597689090 is about 50967.5297616041. The cubic root of 2597689090 is about 1374.6613539578.

The spelling of 2597689090 in words is "two billion, five hundred ninety-seven million, six hundred eighty-nine thousand, ninety".