64522457773 has 8 divisors (see below), whose sum is σ = 69649430400. Its totient is φ = 59588955888.

The previous prime is 64522457729. The next prime is 64522457801. The reversal of 64522457773 is 37775422546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64522457773 - 2²⁵ = 64488903341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64522457773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64522457723) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48366993 + ... + 48368326.

It is an arithmetic number, because the mean of its divisors is an integer number (8706178800).

Almost surely, 2^64522457773 is an apocalyptic number.

It is an amenable number.

64522457773 is a deficient number, since it is larger than the sum of its proper divisors (5126972627).

64522457773 is a wasteful number, since it uses less digits than its factorization.

64522457773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96735371.

The product of its digits is 9878400, while the sum is 52.

The spelling of 64522457773 in words is "sixty-four billion, five hundred twenty-two million, four hundred fifty-seven thousand, seven hundred seventy-three".