190944669 has 4 divisors (see below), whose sum is σ = 254592896. Its totient is φ = 127296444.

The previous prime is 190944653. The next prime is 190944751. The reversal of 190944669 is 966449091.

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, and also an emirpimes, since its reverse is a distinct semiprime: 966449091 = 3 ⋅322149697.

It is not a de Polignac number, because 190944669 - 2⁴ = 190944653 is a prime.

It is a super-2 number, since 2×190944669² = 72919733239039122, 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 (190944619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31824109 + ... + 31824114.

It is an arithmetic number, because the mean of its divisors is an integer number (63648224).

Almost surely, 2^190944669 is an apocalyptic number.

It is an amenable number.

190944669 is a deficient number, since it is larger than the sum of its proper divisors (63648227).

190944669 is an equidigital number, since it uses as much as digits as its factorization.

190944669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63648226.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 190944669 is about 13818.2730107637. The cubic root of 190944669 is about 575.8409059795.

The spelling of 190944669 in words is "one hundred ninety million, nine hundred forty-four thousand, six hundred sixty-nine".