2989847839 has 16 divisors (see below), whose sum is σ = 3331929600. Its totient is φ = 2659932000.

The previous prime is 2989847837. The next prime is 2989847849. The reversal of 2989847839 is 9387489892.

It is not a de Polignac number, because 2989847839 - 2¹ = 2989847837 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 (2989847837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122334 + ... + 144724.

It is an arithmetic number, because the mean of its divisors is an integer number (208245600).

Almost surely, 2^2989847839 is an apocalyptic number.

2989847839 is a deficient number, since it is larger than the sum of its proper divisors (342081761).

2989847839 is a wasteful number, since it uses less digits than its factorization.

2989847839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22662.

The product of its digits is 62705664, while the sum is 67.

The square root of 2989847839 is about 54679.5010858731. The cubic root of 2989847839 is about 1440.6208483804.

The spelling of 2989847839 in words is "two billion, nine hundred eighty-nine million, eight hundred forty-seven thousand, eight hundred thirty-nine".