64522344746315 has 24 divisors (see below), whose sum is σ = 81734481041760. Its totient is φ = 48890318079744.

The previous prime is 64522344746207. The next prime is 64522344746383. The reversal of 64522344746315 is 51364744322546.

It is a happy number.

It is not a de Polignac number, because 64522344746315 - 2²⁸ = 64522076310859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4201667 + ... + 12111923.

It is an arithmetic number, because the mean of its divisors is an integer number (3405603376740).

Almost surely, 2^{64522344746315} is an apocalyptic number.

64522344746315 is a deficient number, since it is larger than the sum of its proper divisors (17212136295445).

64522344746315 is a wasteful number, since it uses less digits than its factorization.

64522344746315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914819 (or 7914800 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 56.

The spelling of 64522344746315 in words is "sixty-four trillion, five hundred twenty-two billion, three hundred forty-four million, seven hundred forty-six thousand, three hundred fifteen".