869969153268 has 36 divisors (see below), whose sum is σ = 2314830204960. Its totient is φ = 274727100816.

The previous prime is 869969153233. The next prime is 869969153281. The reversal of 869969153268 is 862351969968.

869969153268 is a `hidden beast` number, since 86 + 9 + 9 + 6 + 9 + 1 + 532 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 869969153196 and 869969153205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635941680 + ... + 635943047.

Almost surely, 2^869969153268 is an apocalyptic number.

It is an amenable number.

869969153268 is an abundant number, since it is smaller than the sum of its proper divisors (1444861051692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869969153268 is a wasteful number, since it uses less digits than its factorization.

869969153268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271884756 (or 1271884751 counting only the distinct ones).

The product of its digits is 302330880, while the sum is 72.

The spelling of 869969153268 in words is "eight hundred sixty-nine billion, nine hundred sixty-nine million, one hundred fifty-three thousand, two hundred sixty-eight".