2239981312 has 18 divisors (see below), whose sum is σ = 4471213208. Its totient is φ = 1119990528.

The previous prime is 2239981301. The next prime is 2239981313. The reversal of 2239981312 is 2131899322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239981313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4374708 + ... + 4375219.

Almost surely, 2^2239981312 is an apocalyptic number.

It is an amenable number.

2239981312 is a deficient number, since it is larger than the sum of its proper divisors (2231231896).

2239981312 is an frugal number, since it uses more digits than its factorization.

2239981312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8749943 (or 8749929 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 2239981312 is about 47328.4408363512. The cubic root of 2239981312 is about 1308.4228853935.

The spelling of 2239981312 in words is "two billion, two hundred thirty-nine million, nine hundred eighty-one thousand, three hundred twelve".