2791193121 has 32 divisors (see below), whose sum is σ = 4257792000. Its totient is φ = 1806053760.

The previous prime is 2791193117. The next prime is 2791193123. The reversal of 2791193121 is 1213911972.

It is not a de Polignac number, because 2791193121 - 2² = 2791193117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2791193123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211680 + ... + 224478.

It is an arithmetic number, because the mean of its divisors is an integer number (133056000).

Almost surely, 2^2791193121 is an apocalyptic number.

It is an amenable number.

2791193121 is a deficient number, since it is larger than the sum of its proper divisors (1466598879).

2791193121 is a wasteful number, since it uses less digits than its factorization.

2791193121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046 (or 13040 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 2791193121 is about 52831.7434976360. The cubic root of 2791193121 is about 1407.9804632666.

The spelling of 2791193121 in words is "two billion, seven hundred ninety-one million, one hundred ninety-three thousand, one hundred twenty-one".