4665544465 has 4 divisors (see below), whose sum is σ = 5598653364. Its totient is φ = 3732435568.

The previous prime is 4665544451. The next prime is 4665544567. The reversal of 4665544465 is 5644455664.

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 1810672704 + 2854871761 = 42552^2 + 53431^2 .

It is a cyclic number.

It is not a de Polignac number, because 4665544465 - 2⁷ = 4665544337 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 466554442 + ... + 466554451.

It is an arithmetic number, because the mean of its divisors is an integer number (1399663341).

Almost surely, 2^4665544465 is an apocalyptic number.

It is an amenable number.

4665544465 is a deficient number, since it is larger than the sum of its proper divisors (933108899).

4665544465 is an equidigital number, since it uses as much as digits as its factorization.

4665544465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933108898.

The product of its digits is 6912000, while the sum is 49.

The square root of 4665544465 is about 68304.7909373859. The cubic root of 4665544465 is about 1670.9653501711.

The spelling of 4665544465 in words is "four billion, six hundred sixty-five million, five hundred forty-four thousand, four hundred sixty-five".