65364585973 has 4 divisors (see below), whose sum is σ = 68804827360. Its totient is φ = 61924344588.

The previous prime is 65364585971. The next prime is 65364586043. The reversal of 65364585973 is 37958546356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65364585973 - 2¹ = 65364585971 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 (65364585971) 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 3 ways as a sum of consecutive naturals, for example, 1720120665 + ... + 1720120702.

It is an arithmetic number, because the mean of its divisors is an integer number (17201206840).

Almost surely, 2^65364585973 is an apocalyptic number.

It is an amenable number.

65364585973 is a deficient number, since it is larger than the sum of its proper divisors (3440241387).

65364585973 is a wasteful number, since it uses less digits than its factorization.

65364585973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440241386.

The product of its digits is 81648000, while the sum is 61.

The spelling of 65364585973 in words is "sixty-five billion, three hundred sixty-four million, five hundred eighty-five thousand, nine hundred seventy-three".