64364201517 has 48 divisors (see below), whose sum is σ = 115311926592. Its totient is φ = 31469114880.

The previous prime is 64364201401. The next prime is 64364201521. The reversal of 64364201517 is 71510246346.

It is a happy number.

It is not a de Polignac number, because 64364201517 - 2⁷ = 64364201389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64364201527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1143238 + ... + 1198215.

It is an arithmetic number, because the mean of its divisors is an integer number (2402331804).

Almost surely, 2^64364201517 is an apocalyptic number.

It is an amenable number.

64364201517 is a deficient number, since it is larger than the sum of its proper divisors (50947725075).

64364201517 is a wasteful number, since it uses less digits than its factorization.

64364201517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341498 (or 2341491 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 64364201517 in words is "sixty-four billion, three hundred sixty-four million, two hundred one thousand, five hundred seventeen".