260189598090197 has 2 divisors, whose sum is σ = 260189598090198. Its totient is φ = 260189598090196.

The previous prime is 260189598090167. The next prime is 260189598090223. The reversal of 260189598090197 is 791090895981062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143034280573636 + 117155317516561 = 11959694^2 + 10823831^2 .

It is a cyclic number.

It is not a de Polignac number, because 260189598090197 - 2¹⁴ = 260189598073813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260189598090167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130094799045098 + 130094799045099.

It is an arithmetic number, because the mean of its divisors is an integer number (130094799045099).

Almost surely, 2^{260189598090197} is an apocalyptic number.

It is an amenable number.

260189598090197 is a deficient number, since it is larger than the sum of its proper divisors (1).

260189598090197 is an equidigital number, since it uses as much as digits as its factorization.

260189598090197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 74.

The spelling of 260189598090197 in words is "two hundred sixty trillion, one hundred eighty-nine billion, five hundred ninety-eight million, ninety thousand, one hundred ninety-seven".