64243365232 has 20 divisors (see below), whose sum is σ = 124876974376. Its totient is φ = 32017049280.

The previous prime is 64243365229. The next prime is 64243365247. The reversal of 64243365232 is 23256334246.

It is a congruent number.

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, 6534519 + ... + 6544342.

Almost surely, 2^64243365232 is an apocalyptic number.

It is an amenable number.

64243365232 is a deficient number, since it is larger than the sum of its proper divisors (60633609144).

64243365232 is a wasteful number, since it uses less digits than its factorization.

64243365232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13079176 (or 13079170 counting only the distinct ones).

The product of its digits is 622080, while the sum is 40.

Adding to 64243365232 its reverse (23256334246), we get a palindrome (87499699478).

The spelling of 64243365232 in words is "sixty-four billion, two hundred forty-three million, three hundred sixty-five thousand, two hundred thirty-two".