193793109 has 8 divisors (see below), whose sum is σ = 267300960. Its totient is φ = 124740336.

The previous prime is 193793077. The next prime is 193793113. The reversal of 193793109 is 901397391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 193793109 - 2⁵ = 193793077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193793189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113667 + ... + 1113840.

It is an arithmetic number, because the mean of its divisors is an integer number (33412620).

Almost surely, 2^193793109 is an apocalyptic number.

It is an amenable number.

193793109 is a deficient number, since it is larger than the sum of its proper divisors (73507851).

193793109 is a wasteful number, since it uses less digits than its factorization.

193793109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227539.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 193793109 is about 13920.9593419419. The cubic root of 193793109 is about 578.6901764144.

The spelling of 193793109 in words is "one hundred ninety-three million, seven hundred ninety-three thousand, one hundred nine".