64321696598 has 4 divisors (see below), whose sum is σ = 96482544900. Its totient is φ = 32160848298.

The previous prime is 64321696567. The next prime is 64321696669. The reversal of 64321696598 is 89569612346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89569612346 = 2 ⋅44784806173.

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, 16080424148 + ... + 16080424151.

It is an arithmetic number, because the mean of its divisors is an integer number (24120636225).

Almost surely, 2^64321696598 is an apocalyptic number.

64321696598 is a deficient number, since it is larger than the sum of its proper divisors (32160848302).

64321696598 is a wasteful number, since it uses less digits than its factorization.

64321696598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32160848301.

The product of its digits is 16796160, while the sum is 59.

The spelling of 64321696598 in words is "sixty-four billion, three hundred twenty-one million, six hundred ninety-six thousand, five hundred ninety-eight".