190474890479 has 2 divisors, whose sum is σ = 190474890480. Its totient is φ = 190474890478.

The previous prime is 190474890433. The next prime is 190474890497. The reversal of 190474890479 is 974098474091.

190474890479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (190474890497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (974098474091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190474890479 - 2⁸ = 190474890223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190474890979) 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, 95237445239 + 95237445240.

It is an arithmetic number, because the mean of its divisors is an integer number (95237445240).

Almost surely, 2^190474890479 is an apocalyptic number.

190474890479 is a deficient number, since it is larger than the sum of its proper divisors (1).

190474890479 is an equidigital number, since it uses as much as digits as its factorization.

190474890479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 190474890479 in words is "one hundred ninety billion, four hundred seventy-four million, eight hundred ninety thousand, four hundred seventy-nine".