45264768665 has 4 divisors (see below), whose sum is σ = 54317722404. Its totient is φ = 36211814928.

The previous prime is 45264768649. The next prime is 45264768691. The reversal of 45264768665 is 56686746254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56686746254 = 2 ⋅28343373127.

It can be written as a sum of positive squares in 2 ways, for example, as 7926162841 + 37338605824 = 89029^2 + 193232^2 .

It is a cyclic number.

It is not a de Polignac number, because 45264768665 - 2⁴ = 45264768649 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, 4526476862 + ... + 4526476871.

It is an arithmetic number, because the mean of its divisors is an integer number (13579430601).

Almost surely, 2^45264768665 is an apocalyptic number.

It is an amenable number.

45264768665 is a deficient number, since it is larger than the sum of its proper divisors (9052953739).

45264768665 is an equidigital number, since it uses as much as digits as its factorization.

45264768665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9052953738.

The product of its digits is 58060800, while the sum is 59.

The spelling of 45264768665 in words is "forty-five billion, two hundred sixty-four million, seven hundred sixty-eight thousand, six hundred sixty-five".