193298775595249 has 21 divisors (see below), whose sum is σ = 204138305782537. Its totient is φ = 183034812878964.

The previous prime is 193298775595243. The next prime is 193298775595253. The reversal of 193298775595249 is 942595577892391.

The square root of 193298775595249 is 13903193.

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

It is not a de Polignac number, because 193298775595249 - 2⁵ = 193298775595217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (193298775595243) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 95361999774 + ... + 95362001800.

Almost surely, 2^{193298775595249} is an apocalyptic number.

193298775595249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

193298775595249 is the 13903193-rd square number.

193298775595249 is the 6951597-th centered octagonal number.

It is an amenable number.

193298775595249 is a deficient number, since it is larger than the sum of its proper divisors (10839530187288).

193298775595249 is an frugal number, since it uses more digits than its factorization.

193298775595249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 2046 counting only the distinct ones).

The product of its digits is 15431472000, while the sum is 85.

The spelling of 193298775595249 in words is "one hundred ninety-three trillion, two hundred ninety-eight billion, seven hundred seventy-five million, five hundred ninety-five thousand, two hundred forty-nine".