190797559049 has 2 divisors, whose sum is σ = 190797559050. Its totient is φ = 190797559048.

The previous prime is 190797559013. The next prime is 190797559063. The reversal of 190797559049 is 940955797091.

190797559049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185099573824 + 5697985225 = 430232^2 + 75485^2 .

It is an emirp because it is prime and its reverse (940955797091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190797559049 - 2⁸ = 190797558793 is a prime.

It is not a weakly prime, because it can be changed into another prime (190797559079) 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, 95398779524 + 95398779525.

It is an arithmetic number, because the mean of its divisors is an integer number (95398779525).

Almost surely, 2^190797559049 is an apocalyptic number.

It is an amenable number.

190797559049 is a deficient number, since it is larger than the sum of its proper divisors (1).

190797559049 is an equidigital number, since it uses as much as digits as its factorization.

190797559049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32148900, while the sum is 65.

The spelling of 190797559049 in words is "one hundred ninety billion, seven hundred ninety-seven million, five hundred fifty-nine thousand, forty-nine".