2821984872736 has 24 divisors (see below), whose sum is σ = 5596335885420. Its totient is φ = 1400693219328.

The previous prime is 2821984872727. The next prime is 2821984872767. The reversal of 2821984872736 is 6372784891282.

It can be written as a sum of positive squares in 2 ways, for example, as 2644201210000 + 177783662736 = 1626100^2 + 421644^2 .

It is a super-2 number, since 2×2821984872736² (a number of 26 digits) contains 22 as substring.

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, 321846081 + ... + 321854848.

Almost surely, 2^{2821984872736} is an apocalyptic number.

It is an amenable number.

2821984872736 is a deficient number, since it is larger than the sum of its proper divisors (2774351012684).

2821984872736 is a wasteful number, since it uses less digits than its factorization.

2821984872736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643701076 (or 643701068 counting only the distinct ones).

The product of its digits is 130056192, while the sum is 67.

The spelling of 2821984872736 in words is "two trillion, eight hundred twenty-one billion, nine hundred eighty-four million, eight hundred seventy-two thousand, seven hundred thirty-six".