2915006460921 has 27 divisors (see below), whose sum is σ = 4227598018917. Its totient is φ = 1935507783960.

The previous prime is 2915006460907. The next prime is 2915006460923. The reversal of 2915006460921 is 1290646005192.

The square root of 2915006460921 is 1707339.

It is a perfect power (a square), and thus also a powerful number.

2915006460921 is a `hidden beast` number, since 2 + 9 + 1 + 500 + 64 + 60 + 9 + 21 = 666.

It is not a de Polignac number, because 2915006460921 - 2¹⁷ = 2915006329849 is a prime.

It is a super-2 number, since 2×2915006460921² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2915006460923) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1449529806 + ... + 1449531816.

Almost surely, 2^{2915006460921} is an apocalyptic number.

2915006460921 is the 1707339-th square number.

2915006460921 is the 853670-th centered octagonal number.

It is an amenable number.

2915006460921 is a deficient number, since it is larger than the sum of its proper divisors (1312591557996).

2915006460921 is an frugal number, since it uses more digits than its factorization.

2915006460921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 2915006460921 in words is "two trillion, nine hundred fifteen billion, six million, four hundred sixty thousand, nine hundred twenty-one".