64792167973 has 8 divisors (see below), whose sum is σ = 69780189528. Its totient is φ = 59804719104.

The previous prime is 64792167893. The next prime is 64792167989. The reversal of 64792167973 is 37976129746.

It can be written as a sum of positive squares in 4 ways, for example, as 4040763489 + 60751404484 = 63567^2 + 246478^2 .

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

It is not a de Polignac number, because 64792167973 - 2²⁹ = 64255297061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64792167073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108165 + ... + 375877.

It is an arithmetic number, because the mean of its divisors is an integer number (8722523691).

Almost surely, 2^64792167973 is an apocalyptic number.

It is an amenable number.

64792167973 is a deficient number, since it is larger than the sum of its proper divisors (4988021555).

64792167973 is a wasteful number, since it uses less digits than its factorization.

64792167973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286343.

The product of its digits is 24004512, while the sum is 61.

The spelling of 64792167973 in words is "sixty-four billion, seven hundred ninety-two million, one hundred sixty-seven thousand, nine hundred seventy-three".