2538656264 has 16 divisors (see below), whose sum is σ = 4831026000. Its totient is φ = 1250382672.

The previous prime is 2538656233. The next prime is 2538656273. The reversal of 2538656264 is 4626568352.

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, 2367614 + ... + 2368685.

It is an arithmetic number, because the mean of its divisors is an integer number (301939125).

Almost surely, 2^2538656264 is an apocalyptic number.

It is an amenable number.

2538656264 is a deficient number, since it is larger than the sum of its proper divisors (2292369736).

2538656264 is a wasteful number, since it uses less digits than its factorization.

2538656264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736372 (or 4736368 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The square root of 2538656264 is about 50385.0797756637. The cubic root of 2538656264 is about 1364.1683429277.

The spelling of 2538656264 in words is "two billion, five hundred thirty-eight million, six hundred fifty-six thousand, two hundred sixty-four".