869362939 has 2 divisors, whose sum is σ = 869362940. Its totient is φ = 869362938.

The previous prime is 869362931. The next prime is 869362969. The reversal of 869362939 is 939263968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869362939 - 2³ = 869362931 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 869362939.

It is not a weakly prime, because it can be changed into another prime (869362931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434681469 + 434681470.

It is an arithmetic number, because the mean of its divisors is an integer number (434681470).

Almost surely, 2^869362939 is an apocalyptic number.

869362939 is a deficient number, since it is larger than the sum of its proper divisors (1).

869362939 is an equidigital number, since it uses as much as digits as its factorization.

869362939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 55.

The square root of 869362939 is about 29484.9612345005. The cubic root of 869362939 is about 954.4072009783.

The spelling of 869362939 in words is "eight hundred sixty-nine million, three hundred sixty-two thousand, nine hundred thirty-nine".