64548823330025 has 12 divisors (see below), whose sum is σ = 80774857821900. Its totient is φ = 51165305830080.

The previous prime is 64548823329971. The next prime is 64548823330093. The reversal of 64548823330025 is 52003332884546.

It can be written as a sum of positive squares in 6 ways, for example, as 283637195776 + 64265186134249 = 532576^2 + 8016557^2 .

It is not a de Polignac number, because 64548823330025 - 2⁶ = 64548823329961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11843818070 + ... + 11843823519.

It is an arithmetic number, because the mean of its divisors is an integer number (6731238151825).

Almost surely, 2^{64548823330025} is an apocalyptic number.

It is an amenable number.

64548823330025 is a deficient number, since it is larger than the sum of its proper divisors (16226034491875).

64548823330025 is a wasteful number, since it uses less digits than its factorization.

64548823330025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23687641708 (or 23687641703 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 64548823330025 in words is "sixty-four trillion, five hundred forty-eight billion, eight hundred twenty-three million, three hundred thirty thousand, twenty-five".