2190008989 has 24 divisors (see below), whose sum is σ = 2685493440. Its totient is φ = 1775801664.

The previous prime is 2190008971. The next prime is 2190008999. The reversal of 2190008989 is 9898000912.

It is a happy number.

It is not a de Polignac number, because 2190008989 - 2⁷ = 2190008861 is a prime.

It is a super-2 number, since 2×2190008989² = 9592278743801604242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190008929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913977 + ... + 916369.

It is an arithmetic number, because the mean of its divisors is an integer number (111895560).

Almost surely, 2^2190008989 is an apocalyptic number.

It is an amenable number.

2190008989 is a deficient number, since it is larger than the sum of its proper divisors (495484451).

2190008989 is a wasteful number, since it uses less digits than its factorization.

2190008989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3409 (or 3402 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 2190008989 is about 46797.5318686787. The cubic root of 2190008989 is about 1298.6196371922.

The spelling of 2190008989 in words is "two billion, one hundred ninety million, eight thousand, nine hundred eighty-nine".