869832269 has 2 divisors, whose sum is σ = 869832270. Its totient is φ = 869832268.

The previous prime is 869832263. The next prime is 869832283. The reversal of 869832269 is 962238968.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 678342025 + 191490244 = 26045^2 + 13838^2 .

It is a cyclic number.

It is not a de Polignac number, because 869832269 - 2⁴ = 869832253 is a prime.

It is a super-2 number, since 2×869832269² = 1513216352387376722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 869832269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869832263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434916134 + 434916135.

It is an arithmetic number, because the mean of its divisors is an integer number (434916135).

Almost surely, 2^869832269 is an apocalyptic number.

It is an amenable number.

869832269 is a deficient number, since it is larger than the sum of its proper divisors (1).

869832269 is an equidigital number, since it uses as much as digits as its factorization.

869832269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 53.

The square root of 869832269 is about 29492.9189637106. The cubic root of 869832269 is about 954.5789172737.

The spelling of 869832269 in words is "eight hundred sixty-nine million, eight hundred thirty-two thousand, two hundred sixty-nine".