2439803812 has 12 divisors (see below), whose sum is σ = 4285072540. Its totient is φ = 1215497376.

The previous prime is 2439803803. The next prime is 2439803833. The reversal of 2439803812 is 2183089342.

It can be written as a sum of positive squares in 2 ways, for example, as 809743936 + 1630059876 = 28456^2 + 40374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099887 + ... + 1102102.

Almost surely, 2^2439803812 is an apocalyptic number.

It is an amenable number.

2439803812 is a deficient number, since it is larger than the sum of its proper divisors (1845268728).

2439803812 is a wasteful number, since it uses less digits than its factorization.

2439803812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202270 (or 2202268 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2439803812 is about 49394.3702460108. The cubic root of 2439803812 is about 1346.2270164279.

The spelling of 2439803812 in words is "two billion, four hundred thirty-nine million, eight hundred three thousand, eight hundred twelve".