2821944712 has 16 divisors (see below), whose sum is σ = 5434150860. Its totient is φ = 1372837824.

The previous prime is 2821944677. The next prime is 2821944739. The reversal of 2821944712 is 2174491282.

It can be written as a sum of positive squares in 2 ways, for example, as 1954877796 + 867066916 = 44214^2 + 29446^2 .

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, 4766503 + ... + 4767094.

Almost surely, 2^2821944712 is an apocalyptic number.

It is an amenable number.

2821944712 is a deficient number, since it is larger than the sum of its proper divisors (2612206148).

2821944712 is a wasteful number, since it uses less digits than its factorization.

2821944712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9533640 (or 9533636 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 2821944712 is about 53121.9795564887. The cubic root of 2821944712 is about 1413.1323338125.

The spelling of 2821944712 in words is "two billion, eight hundred twenty-one million, nine hundred forty-four thousand, seven hundred twelve".