2591622279 has 12 divisors (see below), whose sum is σ = 3744819000. Its totient is φ = 1727118384.

The previous prime is 2591622233. The next prime is 2591622301. The reversal of 2591622279 is 9722261952.

It is not a de Polignac number, because 2591622279 - 2¹⁷ = 2591491207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591622479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25704 + ... + 76445.

It is an arithmetic number, because the mean of its divisors is an integer number (312068250).

Almost surely, 2^2591622279 is an apocalyptic number.

2591622279 is a deficient number, since it is larger than the sum of its proper divisors (1153196721).

2591622279 is a wasteful number, since it uses less digits than its factorization.

2591622279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104974 (or 104971 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 2591622279 is about 50907.9785397142. The cubic root of 2591622279 is about 1373.5903621113.

The spelling of 2591622279 in words is "two billion, five hundred ninety-one million, six hundred twenty-two thousand, two hundred seventy-nine".