4644064604465 has 16 divisors (see below), whose sum is σ = 6547156814016. Its totient is φ = 3117693720000.

The previous prime is 4644064604453. The next prime is 4644064604483. The reversal of 4644064604465 is 5644064604464.

It is not a de Polignac number, because 4644064604465 - 2⁶ = 4644064604401 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3247596911 + ... + 3247598340.

It is an arithmetic number, because the mean of its divisors is an integer number (409197300876).

Almost surely, 2^{4644064604465} is an apocalyptic number.

It is an amenable number.

4644064604465 is a deficient number, since it is larger than the sum of its proper divisors (1903092209551).

4644064604465 is a wasteful number, since it uses less digits than its factorization.

4644064604465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6495195280.

The product of its (nonzero) digits is 26542080, while the sum is 53.

Subtracting 4644064604465 from its reverse (5644064604464), we obtain a palindrome (999999999999).

The spelling of 4644064604465 in words is "four trillion, six hundred forty-four billion, sixty-four million, six hundred four thousand, four hundred sixty-five".