64593239104 has 21 divisors (see below), whose sum is σ = 128181243637. Its totient is φ = 32295602944.

The previous prime is 64593239071. The next prime is 64593239111. The reversal of 64593239104 is 40193239546.

The square root of 64593239104 is 254152.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16964541504 + 47628697600 = 130248^2 + 218240^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2017332 + ... + 2049100.

Almost surely, 2^64593239104 is an apocalyptic number.

64593239104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

64593239104 is the 254152-nd square number.

It is an amenable number.

64593239104 is a deficient number, since it is larger than the sum of its proper divisors (63588004533).

64593239104 is an frugal number, since it uses more digits than its factorization.

64593239104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63550 (or 31771 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 64593239104 in words is "sixty-four billion, five hundred ninety-three million, two hundred thirty-nine thousand, one hundred four".