190283449 has 2 divisors, whose sum is σ = 190283450. Its totient is φ = 190283448.

The previous prime is 190283441. The next prime is 190283453. The reversal of 190283449 is 944382091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171793449 + 18490000 = 13107^2 + 4300^2 .

It is an emirp because it is prime and its reverse (944382091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190283449 - 2³ = 190283441 is a prime.

It is not a weakly prime, because it can be changed into another prime (190283441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95141724 + 95141725.

It is an arithmetic number, because the mean of its divisors is an integer number (95141725).

Almost surely, 2^190283449 is an apocalyptic number.

It is an amenable number.

190283449 is a deficient number, since it is larger than the sum of its proper divisors (1).

190283449 is an equidigital number, since it uses as much as digits as its factorization.

190283449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 190283449 is about 13794.3266961458. The cubic root of 190283449 is about 575.1754463986.

The spelling of 190283449 in words is "one hundred ninety million, two hundred eighty-three thousand, four hundred forty-nine".