2189009448404 has 12 divisors (see below), whose sum is σ = 3887942155104. Its totient is φ = 1078168832664.

The previous prime is 2189009448401. The next prime is 2189009448427. The reversal of 2189009448404 is 4048449009812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189009448401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4083972584 + ... + 4083973119.

It is an arithmetic number, because the mean of its divisors is an integer number (323995179592).

Almost surely, 2^{2189009448404} is an apocalyptic number.

It is an amenable number.

2189009448404 is a deficient number, since it is larger than the sum of its proper divisors (1698932706700).

2189009448404 is a wasteful number, since it uses less digits than its factorization.

2189009448404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167945774 (or 8167945772 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 2189009448404 in words is "two trillion, one hundred eighty-nine billion, nine million, four hundred forty-eight thousand, four hundred four".