4605664511825 has 48 divisors (see below), whose sum is σ = 6206245493616. Its totient is φ = 3370201497600.

The previous prime is 4605664511803. The next prime is 4605664511869. The reversal of 4605664511825 is 5281154665064.

It can be written as a sum of positive squares in 24 ways, for example, as 4600540242769 + 5124269056 = 2144887^2 + 71584^2 .

It is not a de Polignac number, because 4605664511825 - 2⁶ = 4605664511761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184383737 + ... + 184408713.

It is an arithmetic number, because the mean of its divisors is an integer number (129296781117).

Almost surely, 2^{4605664511825} is an apocalyptic number.

It is an amenable number.

4605664511825 is a deficient number, since it is larger than the sum of its proper divisors (1600580981791).

4605664511825 is a wasteful number, since it uses less digits than its factorization.

4605664511825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30134 (or 30129 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 4605664511825 in words is "four trillion, six hundred five billion, six hundred sixty-four million, five hundred eleven thousand, eight hundred twenty-five".