2617312663 has 4 divisors (see below), whose sum is σ = 2991214480. Its totient is φ = 2243410848.

The previous prime is 2617312651. The next prime is 2617312699. The reversal of 2617312663 is 3662137162.

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

It is not a de Polignac number, because 2617312663 - 2⁵ = 2617312631 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 (2617312603) 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, 186950898 + ... + 186950911.

It is an arithmetic number, because the mean of its divisors is an integer number (747803620).

Almost surely, 2^2617312663 is an apocalyptic number.

2617312663 is a deficient number, since it is larger than the sum of its proper divisors (373901817).

2617312663 is an equidigital number, since it uses as much as digits as its factorization.

2617312663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373901816.

The product of its digits is 54432, while the sum is 37.

The square root of 2617312663 is about 51159.6780971108. The cubic root of 2617312663 is about 1378.1141823480.

The spelling of 2617312663 in words is "two billion, six hundred seventeen million, three hundred twelve thousand, six hundred sixty-three".