2872129291 has 2 divisors, whose sum is σ = 2872129292. Its totient is φ = 2872129290.

The previous prime is 2872129259. The next prime is 2872129297. The reversal of 2872129291 is 1929212782.

It is a happy number.

2872129291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2872129291 - 2⁵ = 2872129259 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872129297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436064645 + 1436064646.

It is an arithmetic number, because the mean of its divisors is an integer number (1436064646).

Almost surely, 2^2872129291 is an apocalyptic number.

2872129291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872129291 is an equidigital number, since it uses as much as digits as its factorization.

2872129291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 2872129291 is about 53592.2502886378. The cubic root of 2872129291 is about 1421.4600619092.

The spelling of 2872129291 in words is "two billion, eight hundred seventy-two million, one hundred twenty-nine thousand, two hundred ninety-one".