869423499 has 12 divisors (see below), whose sum is σ = 1435238896. Its totient is φ = 496813392.

The previous prime is 869423497. The next prime is 869423539. The reversal of 869423499 is 994324968.

It is not a de Polignac number, because 869423499 - 2¹ = 869423497 is a prime.

It is a super-2 number, since 2×869423499² = 1511794441226806002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869423497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6900124 + ... + 6900249.

Almost surely, 2^869423499 is an apocalyptic number.

869423499 is a deficient number, since it is larger than the sum of its proper divisors (565815397).

869423499 is a wasteful number, since it uses less digits than its factorization.

869423499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800386 (or 13800383 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 869423499 is about 29485.9881808292. The cubic root of 869423499 is about 954.4293618640.

The spelling of 869423499 in words is "eight hundred sixty-nine million, four hundred twenty-three thousand, four hundred ninety-nine".