194890060205441 has 2 divisors, whose sum is σ = 194890060205442. Its totient is φ = 194890060205440.

The previous prime is 194890060205297. The next prime is 194890060205453. The reversal of 194890060205441 is 144502060098491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183293283802225 + 11596776403216 = 13538585^2 + 3405404^2 .

It is a cyclic number.

It is not a de Polignac number, because 194890060205441 - 2²⁶ = 194889993096577 is a prime.

It is not a weakly prime, because it can be changed into another prime (194890063205441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97445030102720 + 97445030102721.

It is an arithmetic number, because the mean of its divisors is an integer number (97445030102721).

Almost surely, 2^{194890060205441} is an apocalyptic number.

It is an amenable number.

194890060205441 is a deficient number, since it is larger than the sum of its proper divisors (1).

194890060205441 is an equidigital number, since it uses as much as digits as its factorization.

194890060205441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 194890060205441 in words is "one hundred ninety-four trillion, eight hundred ninety billion, sixty million, two hundred five thousand, four hundred forty-one".