193373026564 has 9 divisors (see below), whose sum is σ = 338404335591. Its totient is φ = 96686073540.

The previous prime is 193373026559. The next prime is 193373026579. The reversal of 193373026564 is 465620373391.

The square root of 193373026564 is 439742.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 769549 + ... + 989419.

Almost surely, 2^193373026564 is an apocalyptic number.

193373026564 is the 439742-nd square number.

It is an amenable number.

193373026564 is a deficient number, since it is larger than the sum of its proper divisors (145031309027).

193373026564 is an frugal number, since it uses more digits than its factorization.

193373026564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439746 (or 219873 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 49.

Multiplying 193373026564 by its sum of digits (49), we get a square (9475278301636 = 3078194²).

The spelling of 193373026564 in words is "one hundred ninety-three billion, three hundred seventy-three million, twenty-six thousand, five hundred sixty-four".