43889285089 has 8 divisors (see below), whose sum is σ = 47683663272. Its totient is φ = 40154661120.

The previous prime is 43889285071. The next prime is 43889285113. The reversal of 43889285089 is 98058298834.

It can be written as a sum of positive squares in 4 ways, for example, as 2387025 + 43886898064 = 1545^2 + 209492^2 .

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 43889285089 - 2¹⁷ = 43889154017 is a prime.

It is a super-3 number, since 3×43889285089³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43889285089.

It is not an unprimeable number, because it can be changed into a prime (43889285389) 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, 14937022 + ... + 14939959.

It is an arithmetic number, because the mean of its divisors is an integer number (5960457909).

Almost surely, 2^43889285089 is an apocalyptic number.

It is an amenable number.

43889285089 is a deficient number, since it is larger than the sum of its proper divisors (3794378183).

43889285089 is a wasteful number, since it uses less digits than its factorization.

43889285089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29877107.

The product of its (nonzero) digits is 39813120, while the sum is 64.

The spelling of 43889285089 in words is "forty-three billion, eight hundred eighty-nine million, two hundred eighty-five thousand, eighty-nine".