64017353057 has 12 divisors (see below), whose sum is σ = 77037069780. Its totient is φ = 52979877216.

The previous prime is 64017353053. The next prime is 64017353077. The reversal of 64017353057 is 75035371046.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47052551056 + 16964802001 = 216916^2 + 130249^2 .

It is not a de Polignac number, because 64017353057 - 2² = 64017353053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64017353053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22524038 + ... + 22526879.

It is an arithmetic number, because the mean of its divisors is an integer number (6419755815).

Almost surely, 2^64017353057 is an apocalyptic number.

It is an amenable number.

64017353057 is a deficient number, since it is larger than the sum of its proper divisors (13019716723).

64017353057 is a wasteful number, since it uses less digits than its factorization.

64017353057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45050960 (or 45050953 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 41.

The spelling of 64017353057 in words is "sixty-four billion, seventeen million, three hundred fifty-three thousand, fifty-seven".