64731314473 has 16 divisors (see below), whose sum is σ = 74292362496. Its totient is φ = 55248883200.

The previous prime is 64731314467. The next prime is 64731314503. The reversal of 64731314473 is 37441313746.

It is not a de Polignac number, because 64731314473 - 2⁵ = 64731314441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64731314173) 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 15 ways as a sum of consecutive naturals, for example, 5150365 + ... + 5162917.

It is an arithmetic number, because the mean of its divisors is an integer number (4643272656).

Almost surely, 2^64731314473 is an apocalyptic number.

It is an amenable number.

64731314473 is a deficient number, since it is larger than the sum of its proper divisors (9561048023).

64731314473 is a wasteful number, since it uses less digits than its factorization.

64731314473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15624.

The product of its digits is 508032, while the sum is 43.

The spelling of 64731314473 in words is "sixty-four billion, seven hundred thirty-one million, three hundred fourteen thousand, four hundred seventy-three".