3281489839 has 2 divisors, whose sum is σ = 3281489840. Its totient is φ = 3281489838.

The previous prime is 3281489819. The next prime is 3281489933. The reversal of 3281489839 is 9389841823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3281489839 - 2⁵ = 3281489807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3281489839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3281489819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1640744919 + 1640744920.

It is an arithmetic number, because the mean of its divisors is an integer number (1640744920).

Almost surely, 2^3281489839 is an apocalyptic number.

3281489839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3281489839 is an equidigital number, since it uses as much as digits as its factorization.

3281489839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 55.

The square root of 3281489839 is about 57284.2896351172. The cubic root of 3281489839 is about 1486.0166926242.

The spelling of 3281489839 in words is "three billion, two hundred eighty-one million, four hundred eighty-nine thousand, eight hundred thirty-nine".