2604576655 has 4 divisors (see below), whose sum is σ = 3125491992. Its totient is φ = 2083661320.

The previous prime is 2604576593. The next prime is 2604576659. The reversal of 2604576655 is 5566754062.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-2604576655 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 (2604576659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260457661 + ... + 260457670.

It is an arithmetic number, because the mean of its divisors is an integer number (781372998).

Almost surely, 2^2604576655 is an apocalyptic number.

2604576655 is a deficient number, since it is larger than the sum of its proper divisors (520915337).

2604576655 is an equidigital number, since it uses as much as digits as its factorization.

2604576655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520915336.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The square root of 2604576655 is about 51035.0531987574. The cubic root of 2604576655 is about 1375.8752166721.

The spelling of 2604576655 in words is "two billion, six hundred four million, five hundred seventy-six thousand, six hundred fifty-five".