869706241 has 2 divisors, whose sum is σ = 869706242. Its totient is φ = 869706240.

The previous prime is 869706239. The next prime is 869706263. The reversal of 869706241 is 142607968.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 868539841 + 1166400 = 29471^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 869706241 - 2¹ = 869706239 is a prime.

Together with 869706239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (869706841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434853120 + 434853121.

It is an arithmetic number, because the mean of its divisors is an integer number (434853121).

Almost surely, 2^869706241 is an apocalyptic number.

It is an amenable number.

869706241 is a deficient number, since it is larger than the sum of its proper divisors (1).

869706241 is an equidigital number, since it uses as much as digits as its factorization.

869706241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 869706241 is about 29490.7823056629. The cubic root of 869706241 is about 954.5328127979.

The spelling of 869706241 in words is "eight hundred sixty-nine million, seven hundred six thousand, two hundred forty-one".