64853824304465 has 96 divisors (see below), whose sum is σ = 91716159824640. Its totient is φ = 43891921737216.

The previous prime is 64853824304413. The next prime is 64853824304543. The reversal of 64853824304465 is 56440342835846.

It is not a de Polignac number, because 64853824304465 - 2²⁸ = 64853555869009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64853824304398 and 64853824304407.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23137288754 + ... + 23137291556.

It is an arithmetic number, because the mean of its divisors is an integer number (955376664840).

Almost surely, 2^{64853824304465} is an apocalyptic number.

It is an amenable number.

64853824304465 is a deficient number, since it is larger than the sum of its proper divisors (26862335520175).

64853824304465 is a wasteful number, since it uses less digits than its factorization.

64853824304465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 62.

The spelling of 64853824304465 in words is "sixty-four trillion, eight hundred fifty-three billion, eight hundred twenty-four million, three hundred four thousand, four hundred sixty-five".