2265465816673 has 4 divisors (see below), whose sum is σ = 2267318202048. Its totient is φ = 2263613431300.

The previous prime is 2265465816637. The next prime is 2265465816697. The reversal of 2265465816673 is 3766185645622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2265465816673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265465816773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926190853 + ... + 926193298.

It is an arithmetic number, because the mean of its divisors is an integer number (566829550512).

Almost surely, 2^{2265465816673} is an apocalyptic number.

It is an amenable number.

2265465816673 is a deficient number, since it is larger than the sum of its proper divisors (1852385375).

2265465816673 is a wasteful number, since it uses less digits than its factorization.

2265465816673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852385374.

The product of its digits is 87091200, while the sum is 61.

The spelling of 2265465816673 in words is "two trillion, two hundred sixty-five billion, four hundred sixty-five million, eight hundred sixteen thousand, six hundred seventy-three".