4644490665 has 8 divisors (see below), whose sum is σ = 7431185088. Its totient is φ = 2477061680.

The previous prime is 4644490657. The next prime is 4644490681. The reversal of 4644490665 is 5660944464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4644490665 - 2³ = 4644490657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154816341 + ... + 154816370.

It is an arithmetic number, because the mean of its divisors is an integer number (928898136).

Almost surely, 2^4644490665 is an apocalyptic number.

It is an amenable number.

4644490665 is a deficient number, since it is larger than the sum of its proper divisors (2786694423).

4644490665 is a wasteful number, since it uses less digits than its factorization.

4644490665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309632719.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The square root of 4644490665 is about 68150.5001082164. The cubic root of 4644490665 is about 1668.4480861595.

The spelling of 4644490665 in words is "four billion, six hundred forty-four million, four hundred ninety thousand, six hundred sixty-five".