2647113065 has 4 divisors (see below), whose sum is σ = 3176535684. Its totient is φ = 2117690448.

The previous prime is 2647112989. The next prime is 2647113071. The reversal of 2647113065 is 5603117462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1855197184 + 791915881 = 43072^2 + 28141^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2647113065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264711302 + ... + 264711311.

It is an arithmetic number, because the mean of its divisors is an integer number (794133921).

Almost surely, 2^2647113065 is an apocalyptic number.

It is an amenable number.

2647113065 is a deficient number, since it is larger than the sum of its proper divisors (529422619).

2647113065 is an equidigital number, since it uses as much as digits as its factorization.

2647113065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529422618.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2647113065 is about 51450.1026723951. The cubic root of 2647113065 is about 1383.3248028054.

The spelling of 2647113065 in words is "two billion, six hundred forty-seven million, one hundred thirteen thousand, sixty-five".