869671409181 has 8 divisors (see below), whose sum is σ = 1159968611424. Its totient is φ = 579577573200.

The previous prime is 869671409179. The next prime is 869671409203. The reversal of 869671409181 is 181904176968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 869671409181 - 2¹ = 869671409179 is a prime.

It is a super-2 number, since 2×869671409181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869671409281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50831586 + ... + 50848691.

It is an arithmetic number, because the mean of its divisors is an integer number (144996076428).

Almost surely, 2^869671409181 is an apocalyptic number.

It is an amenable number.

869671409181 is a deficient number, since it is larger than the sum of its proper divisors (290297202243).

869671409181 is a wasteful number, since it uses less digits than its factorization.

869671409181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101683131.

The product of its (nonzero) digits is 5225472, while the sum is 60.

The spelling of 869671409181 in words is "eight hundred sixty-nine billion, six hundred seventy-one million, four hundred nine thousand, one hundred eighty-one".