2989809776 has 20 divisors (see below), whose sum is σ = 5798364000. Its totient is φ = 1493457792.

The previous prime is 2989809769. The next prime is 2989809793. The reversal of 2989809776 is 6779089892.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73301 + ... + 106548.

It is an arithmetic number, because the mean of its divisors is an integer number (289918200).

Almost surely, 2^2989809776 is an apocalyptic number.

It is an amenable number.

2989809776 is a deficient number, since it is larger than the sum of its proper divisors (2808554224).

2989809776 is a wasteful number, since it uses less digits than its factorization.

2989809776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180896 (or 180890 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 65.

The square root of 2989809776 is about 54679.1530292853. The cubic root of 2989809776 is about 1440.6147349607.

The spelling of 2989809776 in words is "two billion, nine hundred eighty-nine million, eight hundred nine thousand, seven hundred seventy-six".