190461718273 has 2 divisors, whose sum is σ = 190461718274. Its totient is φ = 190461718272.

The previous prime is 190461718267. The next prime is 190461718289. The reversal of 190461718273 is 372817164091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186078351424 + 4383366849 = 431368^2 + 66207^2 .

It is a cyclic number.

It is not a de Polignac number, because 190461718273 - 2¹³ = 190461710081 is a prime.

It is a super-2 number, since 2×190461718273² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190461718873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95230859136 + 95230859137.

It is an arithmetic number, because the mean of its divisors is an integer number (95230859137).

Almost surely, 2^190461718273 is an apocalyptic number.

It is an amenable number.

190461718273 is a deficient number, since it is larger than the sum of its proper divisors (1).

190461718273 is an equidigital number, since it uses as much as digits as its factorization.

190461718273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 190461718273 in words is "one hundred ninety billion, four hundred sixty-one million, seven hundred eighteen thousand, two hundred seventy-three".