64883374617718 has 4 divisors (see below), whose sum is σ = 97325061926580. Its totient is φ = 32441687308858.

The previous prime is 64883374617701. The next prime is 64883374617757. The reversal of 64883374617718 is 81771647338846.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220843654428 + ... + 16220843654431.

It is an arithmetic number, because the mean of its divisors is an integer number (24331265481645).

Almost surely, 2^{64883374617718} is an apocalyptic number.

64883374617718 is a deficient number, since it is larger than the sum of its proper divisors (32441687308862).

64883374617718 is a wasteful number, since it uses less digits than its factorization.

64883374617718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441687308861.

The product of its digits is 910393344, while the sum is 73.

The spelling of 64883374617718 in words is "sixty-four trillion, eight hundred eighty-three billion, three hundred seventy-four million, six hundred seventeen thousand, seven hundred eighteen".