190474890433 has 2 divisors, whose sum is σ = 190474890434. Its totient is φ = 190474890432.

The previous prime is 190474890391. The next prime is 190474890479. The reversal of 190474890433 is 334098474091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180924323904 + 9550566529 = 425352^2 + 97727^2 .

It is an emirp because it is prime and its reverse (334098474091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190474890433 - 2⁹ = 190474889921 is a prime.

It is not a weakly prime, because it can be changed into another prime (190474890533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95237445216 + 95237445217.

It is an arithmetic number, because the mean of its divisors is an integer number (95237445217).

Almost surely, 2^190474890433 is an apocalyptic number.

It is an amenable number.

190474890433 is a deficient number, since it is larger than the sum of its proper divisors (1).

190474890433 is an equidigital number, since it uses as much as digits as its factorization.

190474890433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 190474890433 in words is "one hundred ninety billion, four hundred seventy-four million, eight hundred ninety thousand, four hundred thirty-three".