2791071321 has 16 divisors (see below), whose sum is σ = 3889835136. Its totient is φ = 1776786176.

The previous prime is 2791071301. The next prime is 2791071323. The reversal of 2791071321 is 1231701972.

It is a cyclic number.

It is not a de Polignac number, because 2791071321 - 2¹¹ = 2791069273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2791071323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6811 + ... + 75023.

It is an arithmetic number, because the mean of its divisors is an integer number (243114696).

Almost surely, 2^2791071321 is an apocalyptic number.

It is an amenable number.

2791071321 is a deficient number, since it is larger than the sum of its proper divisors (1098763815).

2791071321 is a wasteful number, since it uses less digits than its factorization.

2791071321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68832.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 2791071321 is about 52830.5907689853. The cubic root of 2791071321 is about 1407.9599828355.

The spelling of 2791071321 in words is "two billion, seven hundred ninety-one million, seventy-one thousand, three hundred twenty-one".