64364812264 has 16 divisors (see below), whose sum is σ = 120803645700. Its totient is φ = 32150506752.

The previous prime is 64364812247. The next prime is 64364812271. The reversal of 64364812264 is 46221846346.

It can be written as a sum of positive squares in 2 ways, for example, as 61029749764 + 3335062500 = 247042^2 + 57750^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3978847 + ... + 3994990.

Almost surely, 2^64364812264 is an apocalyptic number.

It is an amenable number.

64364812264 is a deficient number, since it is larger than the sum of its proper divisors (56438833436).

64364812264 is a wasteful number, since it uses less digits than its factorization.

64364812264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7974852 (or 7974848 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 46.

The spelling of 64364812264 in words is "sixty-four billion, three hundred sixty-four million, eight hundred twelve thousand, two hundred sixty-four".