2289989664437 has 8 divisors (see below), whose sum is σ = 2430055356480. Its totient is φ = 2153299049440.

The previous prime is 2289989664433. The next prime is 2289989664439. The reversal of 2289989664437 is 7344669899822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2289989664437 - 2² = 2289989664433 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289989664433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843767864 + ... + 843770577.

It is an arithmetic number, because the mean of its divisors is an integer number (303756919560).

Almost surely, 2^{2289989664437} is an apocalyptic number.

It is an amenable number.

2289989664437 is a deficient number, since it is larger than the sum of its proper divisors (140065692043).

2289989664437 is a wasteful number, since it uses less digits than its factorization.

2289989664437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687538523.

The product of its digits is 2257403904, while the sum is 77.

The spelling of 2289989664437 in words is "two trillion, two hundred eighty-nine billion, nine hundred eighty-nine million, six hundred sixty-four thousand, four hundred thirty-seven".