2712721538 has 16 divisors (see below), whose sum is σ = 4241540160. Its totient is φ = 1299589200.

The previous prime is 2712721511. The next prime is 2712721541. The reversal of 2712721538 is 8351272172.

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, 170918 + ... + 186113.

It is an arithmetic number, because the mean of its divisors is an integer number (265096260).

Almost surely, 2^2712721538 is an apocalyptic number.

2712721538 is a deficient number, since it is larger than the sum of its proper divisors (1528818622).

2712721538 is a wasteful number, since it uses less digits than its factorization.

2712721538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357193.

The product of its digits is 47040, while the sum is 38.

The square root of 2712721538 is about 52083.7934294345. The cubic root of 2712721538 is about 1394.6601927522.

The spelling of 2712721538 in words is "two billion, seven hundred twelve million, seven hundred twenty-one thousand, five hundred thirty-eight".