2715894721 has 8 divisors (see below), whose sum is σ = 2876117544. Its totient is φ = 2555723520.

The previous prime is 2715894707. The next prime is 2715894733. The reversal of 2715894721 is 1274985172.

It can be written as a sum of positive squares in 4 ways, for example, as 640090000 + 2075804721 = 25300^2 + 45561^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2715894721 - 2²⁵ = 2682340289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2715894791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167931 + ... + 183391.

It is an arithmetic number, because the mean of its divisors is an integer number (359514693).

Almost surely, 2^2715894721 is an apocalyptic number.

It is an amenable number.

2715894721 is a deficient number, since it is larger than the sum of its proper divisors (160222823).

2715894721 is a wasteful number, since it uses less digits than its factorization.

2715894721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25811.

The product of its digits is 282240, while the sum is 46.

The square root of 2715894721 is about 52114.2468140911. The cubic root of 2715894721 is about 1395.2037781644.

The spelling of 2715894721 in words is "two billion, seven hundred fifteen million, eight hundred ninety-four thousand, seven hundred twenty-one".