269090197 has 2 divisors, whose sum is σ = 269090198. Its totient is φ = 269090196.

The previous prime is 269090189. The next prime is 269090201. The reversal of 269090197 is 791090962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245674276 + 23415921 = 15674^2 + 4839^2 .

It is a cyclic number.

It is not a de Polignac number, because 269090197 - 2³ = 269090189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269090117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134545098 + 134545099.

It is an arithmetic number, because the mean of its divisors is an integer number (134545099).

Almost surely, 2^269090197 is an apocalyptic number.

It is an amenable number.

269090197 is a deficient number, since it is larger than the sum of its proper divisors (1).

269090197 is an equidigital number, since it uses as much as digits as its factorization.

269090197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 269090197 is about 16403.9689404729. The cubic root of 269090197 is about 645.6036229731.

The spelling of 269090197 in words is "two hundred sixty-nine million, ninety thousand, one hundred ninety-seven".