2728623634 has 16 divisors (see below), whose sum is σ = 4560022656. Its totient is φ = 1213894000.

The previous prime is 2728623613. The next prime is 2728623661. The reversal of 2728623634 is 4363268272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318417 + ... + 1320484.

It is an arithmetic number, because the mean of its divisors is an integer number (285001416).

Almost surely, 2^2728623634 is an apocalyptic number.

2728623634 is a deficient number, since it is larger than the sum of its proper divisors (1831399022).

2728623634 is a wasteful number, since it uses less digits than its factorization.

2728623634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638961.

The product of its digits is 580608, while the sum is 43.

The square root of 2728623634 is about 52236.2291326623. The cubic root of 2728623634 is about 1397.3800719535.

The spelling of 2728623634 in words is "two billion, seven hundred twenty-eight million, six hundred twenty-three thousand, six hundred thirty-four".