64004992097344 has 21 divisors (see below), whose sum is σ = 127010033198247. Its totient is φ = 32002464047424.

The previous prime is 64004992097311. The next prime is 64004992097357. The reversal of 64004992097344 is 44379029940046.

The square root of 64004992097344 is 8000312.

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

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, 63502477 + ... + 64502515.

Almost surely, 2^{64004992097344} is an apocalyptic number.

64004992097344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

64004992097344 is the 8000312-nd square number.

It is an amenable number.

64004992097344 is a deficient number, since it is larger than the sum of its proper divisors (63005041100903).

64004992097344 is an frugal number, since it uses more digits than its factorization.

64004992097344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000090 (or 1000041 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 64004992097344 in words is "sixty-four trillion, four billion, nine hundred ninety-two million, ninety-seven thousand, three hundred forty-four".