8889369642 has 48 divisors (see below), whose sum is σ = 19531704192. Its totient is φ = 2921598720.

The previous prime is 8889369641. The next prime is 8889369677. The reversal of 8889369642 is 2469639888.

It is a super-2 number, since 2×8889369642² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8889369642.

It is not an unprimeable number, because it can be changed into a prime (8889369641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463773 + ... + 482559.

It is an arithmetic number, because the mean of its divisors is an integer number (406910504).

Almost surely, 2^8889369642 is an apocalyptic number.

8889369642 is an abundant number, since it is smaller than the sum of its proper divisors (10642334550).

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

8889369642 is a wasteful number, since it uses less digits than its factorization.

8889369642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19163 (or 19160 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The square root of 8889369642 is about 94283.4537021210. The cubic root of 8889369642 is about 2071.5256819217.

The spelling of 8889369642 in words is "eight billion, eight hundred eighty-nine million, three hundred sixty-nine thousand, six hundred forty-two".