2655423638 has 8 divisors (see below), whose sum is σ = 4552154832. Its totient is φ = 1138038696.

The previous prime is 2655423629. The next prime is 2655423653. The reversal of 2655423638 is 8363245562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94836545 + ... + 94836572.

It is an arithmetic number, because the mean of its divisors is an integer number (569019354).

Almost surely, 2^2655423638 is an apocalyptic number.

2655423638 is a deficient number, since it is larger than the sum of its proper divisors (1896731194).

2655423638 is a wasteful number, since it uses less digits than its factorization.

2655423638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189673126.

The product of its digits is 1036800, while the sum is 44.

The square root of 2655423638 is about 51530.8028076412. The cubic root of 2655423638 is about 1384.7709331965.

The spelling of 2655423638 in words is "two billion, six hundred fifty-five million, four hundred twenty-three thousand, six hundred thirty-eight".