869676099469 has 4 divisors (see below), whose sum is σ = 870995790720. Its totient is φ = 868356408220.

The previous prime is 869676099449. The next prime is 869676099473. The reversal of 869676099469 is 964990676968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 869676099469 - 2¹¹ = 869676097421 is a prime.

It is a super-2 number, since 2×869676099469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869676099419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659844637 + ... + 659845954.

It is an arithmetic number, because the mean of its divisors is an integer number (217748947680).

Almost surely, 2^869676099469 is an apocalyptic number.

It is an amenable number.

869676099469 is a deficient number, since it is larger than the sum of its proper divisors (1319691251).

869676099469 is a wasteful number, since it uses less digits than its factorization.

869676099469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319691250.

The product of its (nonzero) digits is 1904684544, while the sum is 79.

The spelling of 869676099469 in words is "eight hundred sixty-nine billion, six hundred seventy-six million, ninety-nine thousand, four hundred sixty-nine".