869919343 has 2 divisors, whose sum is σ = 869919344. Its totient is φ = 869919342.

The previous prime is 869919329. The next prime is 869919361. The reversal of 869919343 is 343919968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 869919343 - 2⁵ = 869919311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869919443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434959671 + 434959672.

It is an arithmetic number, because the mean of its divisors is an integer number (434959672).

Almost surely, 2^869919343 is an apocalyptic number.

869919343 is a deficient number, since it is larger than the sum of its proper divisors (1).

869919343 is an equidigital number, since it uses as much as digits as its factorization.

869919343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 52.

The square root of 869919343 is about 29494.3951116140. The cubic root of 869919343 is about 954.6107687138.

The spelling of 869919343 in words is "eight hundred sixty-nine million, nine hundred nineteen thousand, three hundred forty-three".