64968426017 has 32 divisors (see below), whose sum is σ = 76265280000. Its totient is φ = 54718295040.

The previous prime is 64968426013. The next prime is 64968426031. The reversal of 64968426017 is 71062486946.

It is a cyclic number.

It is not a de Polignac number, because 64968426017 - 2² = 64968426013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64968426017.

It is not an unprimeable number, because it can be changed into a prime (64968426011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366234 + ... + 2393532.

It is an arithmetic number, because the mean of its divisors is an integer number (2383290000).

Almost surely, 2^64968426017 is an apocalyptic number.

It is an amenable number.

64968426017 is a deficient number, since it is larger than the sum of its proper divisors (11296853983).

64968426017 is a wasteful number, since it uses less digits than its factorization.

64968426017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27581.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 64968426017 in words is "sixty-four billion, nine hundred sixty-eight million, four hundred twenty-six thousand, seventeen".