2913491121 has 16 divisors (see below), whose sum is σ = 4061097600. Its totient is φ = 1854420480.

The previous prime is 2913491107. The next prime is 2913491153. The reversal of 2913491121 is 1211943192.

It is not a de Polignac number, because 2913491121 - 2²⁶ = 2846382257 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2913490121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 76353.

It is an arithmetic number, because the mean of its divisors is an integer number (253818600).

Almost surely, 2^2913491121 is an apocalyptic number.

It is an amenable number.

2913491121 is a deficient number, since it is larger than the sum of its proper divisors (1147606479).

2913491121 is a wasteful number, since it uses less digits than its factorization.

2913491121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78616.

The product of its digits is 3888, while the sum is 33.

The square root of 2913491121 is about 53976.7646399819. The cubic root of 2913491121 is about 1428.2510969877.

The spelling of 2913491121 in words is "two billion, nine hundred thirteen million, four hundred ninety-one thousand, one hundred twenty-one".