2617311263 has 4 divisors (see below), whose sum is σ = 2991212880. Its totient is φ = 2243409648.

The previous prime is 2617311253. The next prime is 2617311287. The reversal of 2617311263 is 3621137162.

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 2617311263 - 2¹⁰ = 2617310239 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 (2617311233) 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, 186950798 + ... + 186950811.

It is an arithmetic number, because the mean of its divisors is an integer number (747803220).

Almost surely, 2^2617311263 is an apocalyptic number.

2617311263 is a deficient number, since it is larger than the sum of its proper divisors (373901617).

2617311263 is an equidigital number, since it uses as much as digits as its factorization.

2617311263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373901616.

The product of its digits is 9072, while the sum is 32.

The square root of 2617311263 is about 51159.6644144584. The cubic root of 2617311263 is about 1378.1139366303.

The spelling of 2617311263 in words is "two billion, six hundred seventeen million, three hundred eleven thousand, two hundred sixty-three".