2716645663 has 2 divisors, whose sum is σ = 2716645664. Its totient is φ = 2716645662.

The previous prime is 2716645651. The next prime is 2716645721. The reversal of 2716645663 is 3665466172.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2716645663 - 2²⁵ = 2683091231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2716745663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1358322831 + 1358322832.

It is an arithmetic number, because the mean of its divisors is an integer number (1358322832).

Almost surely, 2^2716645663 is an apocalyptic number.

2716645663 is a deficient number, since it is larger than the sum of its proper divisors (1).

2716645663 is an equidigital number, since it uses as much as digits as its factorization.

2716645663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 46.

The square root of 2716645663 is about 52121.4510830234. The cubic root of 2716645663 is about 1395.3323571011.

The spelling of 2716645663 in words is "two billion, seven hundred sixteen million, six hundred forty-five thousand, six hundred sixty-three".