3809589601489 has 45 divisors (see below), whose sum is σ = 4525237700529. Its totient is φ = 3206913403680.

The previous prime is 3809589601483. The next prime is 3809589601529. The reversal of 3809589601489 is 9841069859083.

The square root of 3809589601489 is 1951817.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2285826491025 + 1523763110464 = 1511895^2 + 1234408^2 .

It is not a de Polignac number, because 3809589601489 - 2³ = 3809589601481 is a prime.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3809589601481) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5833980687 + ... + 5833981339.

Almost surely, 2^{3809589601489} is an apocalyptic number.

3809589601489 is the 1951817-th square number.

3809589601489 is the 975909-th centered octagonal number.

It is an amenable number.

3809589601489 is a deficient number, since it is larger than the sum of its proper divisors (715648099040).

3809589601489 is an frugal number, since it uses more digits than its factorization.

3809589601489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 70.

The spelling of 3809589601489 in words is "three trillion, eight hundred nine billion, five hundred eighty-nine million, six hundred one thousand, four hundred eighty-nine".