2189069904 has 80 divisors (see below), whose sum is σ = 6594915200. Its totient is φ = 625443840.

The previous prime is 2189069893. The next prime is 2189069921. The reversal of 2189069904 is 4099609812.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 50017 + ... + 82944.

It is an arithmetic number, because the mean of its divisors is an integer number (82436440).

Almost surely, 2^2189069904 is an apocalyptic number.

2189069904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2189069904 is an abundant number, since it is smaller than the sum of its proper divisors (4405845296).

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

2189069904 is a wasteful number, since it uses less digits than its factorization.

2189069904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132993 (or 132973 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 2189069904 is about 46787.4973043013. The cubic root of 2189069904 is about 1298.4339928135.

The spelling of 2189069904 in words is "two billion, one hundred eighty-nine million, sixty-nine thousand, nine hundred four".