189695269 has 8 divisors (see below), whose sum is σ = 191441880. Its totient is φ = 187954176.

The previous prime is 189695257. The next prime is 189695281. The reversal of 189695269 is 962596981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (189695257) and next prime (189695281).

It can be written as a sum of positive squares in 4 ways, for example, as 87422500 + 102272769 = 9350^2 + 10113^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189695269 - 2⁷ = 189695141 is a prime.

It is a super-2 number, since 2×189695269² = 71968590161964722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189695969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99477 + ... + 101365.

It is an arithmetic number, because the mean of its divisors is an integer number (23930235).

Almost surely, 2^189695269 is an apocalyptic number.

It is an amenable number.

189695269 is a deficient number, since it is larger than the sum of its proper divisors (1746611).

189695269 is a wasteful number, since it uses less digits than its factorization.

189695269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759.

The product of its digits is 2099520, while the sum is 55.

The square root of 189695269 is about 13772.9905612398. The cubic root of 189695269 is about 574.5821983213.

The spelling of 189695269 in words is "one hundred eighty-nine million, six hundred ninety-five thousand, two hundred sixty-nine".