190853699 has 4 divisors (see below), whose sum is σ = 194914464. Its totient is φ = 186792936.

The previous prime is 190853687. The next prime is 190853743. The reversal of 190853699 is 996358091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 190853699 - 2²⁰ = 189805123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190858699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030312 + ... + 2030405.

It is an arithmetic number, because the mean of its divisors is an integer number (48728616).

Almost surely, 2^190853699 is an apocalyptic number.

190853699 is a deficient number, since it is larger than the sum of its proper divisors (4060765).

190853699 is an equidigital number, since it uses as much as digits as its factorization.

190853699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060764.

The product of its (nonzero) digits is 524880, while the sum is 50.

The square root of 190853699 is about 13814.9809627086. The cubic root of 190853699 is about 575.7494439368.

The spelling of 190853699 in words is "one hundred ninety million, eight hundred fifty-three thousand, six hundred ninety-nine".