64516351417 has 40 divisors (see below), whose sum is σ = 81959500800. Its totient is φ = 50581655712.

The previous prime is 64516351267. The next prime is 64516351513. The reversal of 64516351417 is 71415361546.

It is a de Polignac number, because none of the positive numbers 2^k-64516351417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64516351217) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1298568 + ... + 1347334.

It is an arithmetic number, because the mean of its divisors is an integer number (2048987520).

Almost surely, 2^64516351417 is an apocalyptic number.

It is an amenable number.

64516351417 is a deficient number, since it is larger than the sum of its proper divisors (17443149383).

64516351417 is an equidigital number, since it uses as much as digits as its factorization.

64516351417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48843 (or 48822 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The spelling of 64516351417 in words is "sixty-four billion, five hundred sixteen million, three hundred fifty-one thousand, four hundred seventeen".