190261479580169 has 2 divisors, whose sum is σ = 190261479580170. Its totient is φ = 190261479580168.

The previous prime is 190261479580091. The next prime is 190261479580177. The reversal of 190261479580169 is 961085974162091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138127837728400 + 52133641851769 = 11752780^2 + 7220363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190261479580169 is a prime.

It is a super-2 number, since 2×190261479580169² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190261479580099 and 190261479580108.

It is not a weakly prime, because it can be changed into another prime (190261479589169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95130739790084 + 95130739790085.

It is an arithmetic number, because the mean of its divisors is an integer number (95130739790085).

Almost surely, 2^{190261479580169} is an apocalyptic number.

It is an amenable number.

190261479580169 is a deficient number, since it is larger than the sum of its proper divisors (1).

190261479580169 is an equidigital number, since it uses as much as digits as its factorization.

190261479580169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 68.

The spelling of 190261479580169 in words is "one hundred ninety trillion, two hundred sixty-one billion, four hundred seventy-nine million, five hundred eighty thousand, one hundred sixty-nine".