190000911193 has 4 divisors (see below), whose sum is σ = 193221265680. Its totient is φ = 186780556708.

The previous prime is 190000911187. The next prime is 190000911197. The reversal of 190000911193 is 391119000091.

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 190000911193 - 2⁵ = 190000911161 is a prime.

It is a super-2 number, since 2×190000911193² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190000911197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610177155 + ... + 1610177272.

It is an arithmetic number, because the mean of its divisors is an integer number (48305316420).

Almost surely, 2^190000911193 is an apocalyptic number.

It is an amenable number.

190000911193 is a deficient number, since it is larger than the sum of its proper divisors (3220354487).

190000911193 is an equidigital number, since it uses as much as digits as its factorization.

190000911193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220354486.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 190000911193 in words is "one hundred ninety billion, nine hundred eleven thousand, one hundred ninety-three".