2872409293 has 4 divisors (see below), whose sum is σ = 3093363868. Its totient is φ = 2651454720.

The previous prime is 2872409279. The next prime is 2872409339. The reversal of 2872409293 is 3929042782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390576169 + 2481833124 = 19763^2 + 49818^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872409293 - 2⁵ = 2872409261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872406293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110477268 + ... + 110477293.

It is an arithmetic number, because the mean of its divisors is an integer number (773340967).

Almost surely, 2^2872409293 is an apocalyptic number.

It is an amenable number.

2872409293 is a deficient number, since it is larger than the sum of its proper divisors (220954575).

2872409293 is a wasteful number, since it uses less digits than its factorization.

2872409293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220954574.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2872409293 is about 53594.8625616299. The cubic root of 2872409293 is about 1421.5062528111.

The spelling of 2872409293 in words is "two billion, eight hundred seventy-two million, four hundred nine thousand, two hundred ninety-three".