190000916293 has 2 divisors, whose sum is σ = 190000916294. Its totient is φ = 190000916292.

The previous prime is 190000916227. The next prime is 190000916309. The reversal of 190000916293 is 392619000091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 154403415364 + 35597500929 = 392942^2 + 188673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190000916293 is a prime.

It is a super-2 number, since 2×190000916293² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190000916093) 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, 95000458146 + 95000458147.

It is an arithmetic number, because the mean of its divisors is an integer number (95000458147).

Almost surely, 2^190000916293 is an apocalyptic number.

It is an amenable number.

190000916293 is a deficient number, since it is larger than the sum of its proper divisors (1).

190000916293 is an equidigital number, since it uses as much as digits as its factorization.

190000916293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The spelling of 190000916293 in words is "one hundred ninety billion, nine hundred sixteen thousand, two hundred ninety-three".