2589889445 has 24 divisors (see below), whose sum is σ = 3678872568. Its totient is φ = 1738661760.

The previous prime is 2589889439. The next prime is 2589889453. The reversal of 2589889445 is 5449889852.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 192709924 + 2397179521 = 13882^2 + 48961^2 .

It is not a de Polignac number, because 2589889445 - 2¹⁰ = 2589888421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156782 + ... + 172511.

It is an arithmetic number, because the mean of its divisors is an integer number (153286357).

Almost surely, 2^2589889445 is an apocalyptic number.

It is an amenable number.

2589889445 is a deficient number, since it is larger than the sum of its proper divisors (1088983123).

2589889445 is a wasteful number, since it uses less digits than its factorization.

2589889445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329333 (or 329322 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 62.

The square root of 2589889445 is about 50890.9564166365. The cubic root of 2589889445 is about 1373.2841530380.

The spelling of 2589889445 in words is "two billion, five hundred eighty-nine million, eight hundred eighty-nine thousand, four hundred forty-five".