869089024242 has 24 divisors (see below), whose sum is σ = 1886289718716. Its totient is φ = 289194264576.

The previous prime is 869089024241. The next prime is 869089024249. The reversal of 869089024242 is 242420980968.

It can be written as a sum of positive squares in 2 ways, for example, as 604955728521 + 264133295721 = 777789^2 + 513939^2 .

It is not an unprimeable number, because it can be changed into a prime (869089024241) 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, 41829063 + ... + 41849834.

Almost surely, 2^869089024242 is an apocalyptic number.

869089024242 is an abundant number, since it is smaller than the sum of its proper divisors (1017200694474).

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

869089024242 is a wasteful number, since it uses less digits than its factorization.

869089024242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83679482 (or 83679479 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 869089024242 in words is "eight hundred sixty-nine billion, eighty-nine million, twenty-four thousand, two hundred forty-two".