193040069 has 4 divisors (see below), whose sum is σ = 199267200. Its totient is φ = 186812940.

The previous prime is 193040053. The next prime is 193040077. The reversal of 193040069 is 960040391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 193040069 - 2⁴ = 193040053 is a prime.

It is a super-2 number, since 2×193040069² = 74528936479049522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193040039) 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 3 ways as a sum of consecutive naturals, for example, 3113519 + ... + 3113580.

It is an arithmetic number, because the mean of its divisors is an integer number (49816800).

Almost surely, 2^193040069 is an apocalyptic number.

It is an amenable number.

193040069 is a deficient number, since it is larger than the sum of its proper divisors (6227131).

193040069 is an equidigital number, since it uses as much as digits as its factorization.

193040069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227130.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 193040069 is about 13893.8860294735. The cubic root of 193040069 is about 577.9396465999.

The spelling of 193040069 in words is "one hundred ninety-three million, forty thousand, sixty-nine".