2593268891 has 4 divisors (see below), whose sum is σ = 2596428384. Its totient is φ = 2590109400.

The previous prime is 2593268833. The next prime is 2593268933. The reversal of 2593268891 is 1988623952.

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

It is a cyclic number.

It is not a de Polignac number, because 2593268891 - 2³⁰ = 1519527067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2593268191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1578515 + ... + 1580156.

It is an arithmetic number, because the mean of its divisors is an integer number (649107096).

Almost surely, 2^2593268891 is an apocalyptic number.

2593268891 is a deficient number, since it is larger than the sum of its proper divisors (3159493).

2593268891 is an equidigital number, since it uses as much as digits as its factorization.

2593268891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159492.

The product of its digits is 1866240, while the sum is 53.

The square root of 2593268891 is about 50924.1484072144. The cubic root of 2593268891 is about 1373.8812084470.

The spelling of 2593268891 in words is "two billion, five hundred ninety-three million, two hundred sixty-eight thousand, eight hundred ninety-one".