2634782279 has 4 divisors (see below), whose sum is σ = 2637185184. Its totient is φ = 2632379376.

The previous prime is 2634782261. The next prime is 2634782317. The reversal of 2634782279 is 9722874362.

2634782279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2634782279 - 2¹⁶ = 2634716743 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 (2634782209) 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, 1199807 + ... + 1202000.

It is an arithmetic number, because the mean of its divisors is an integer number (659296296).

Almost surely, 2^2634782279 is an apocalyptic number.

2634782279 is a deficient number, since it is larger than the sum of its proper divisors (2402905).

2634782279 is a wasteful number, since it uses less digits than its factorization.

2634782279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402904.

The product of its digits is 2032128, while the sum is 50.

The square root of 2634782279 is about 51330.1303232322. The cubic root of 2634782279 is about 1381.1735237607.

The spelling of 2634782279 in words is "two billion, six hundred thirty-four million, seven hundred eighty-two thousand, two hundred seventy-nine".