190219449 has 16 divisors (see below), whose sum is σ = 291366272. Its totient is φ = 108131328.

The previous prime is 190219429. The next prime is 190219451. The reversal of 190219449 is 944912091.

190219449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190219449 - 2¹⁹ = 189695161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190219429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19414 + ... + 27519.

It is an arithmetic number, because the mean of its divisors is an integer number (18210392).

Almost surely, 2^190219449 is an apocalyptic number.

It is an amenable number.

190219449 is a deficient number, since it is larger than the sum of its proper divisors (101146823).

190219449 is a wasteful number, since it uses less digits than its factorization.

190219449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47136.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 190219449 is about 13792.0067067849. The cubic root of 190219449 is about 575.1109542658.

The spelling of 190219449 in words is "one hundred ninety million, two hundred nineteen thousand, four hundred forty-nine".