2169889612 has 36 divisors (see below), whose sum is σ = 4217020360. Its totient is φ = 976124160.

The previous prime is 2169889577. The next prime is 2169889637.

2169889612 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2169889612.

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, 23839 + ... + 70057.

Almost surely, 2^2169889612 is an apocalyptic number.

2169889612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2169889612 is a deficient number, since it is larger than the sum of its proper divisors (2047130748).

2169889612 is a wasteful number, since it uses less digits than its factorization.

2169889612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46342 (or 46329 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 2169889612 is about 46582.0739340790. The cubic root of 2169889612 is about 1294.6306369958.

The spelling of 2169889612 in words is "two billion, one hundred sixty-nine million, eight hundred eighty-nine thousand, six hundred twelve".