2712983981 has 24 divisors (see below), whose sum is σ = 3009259512. Its totient is φ = 2435097600.

The previous prime is 2712983969. The next prime is 2712984007. The reversal of 2712983981 is 1893892172.

It can be written as a sum of positive squares in 4 ways, for example, as 359860900 + 2353123081 = 18970^2 + 48509^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2712983981 is a prime.

It is a super-2 number, since 2×2712983981² = 14720564162325216722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2712983921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10010876 + ... + 10011146.

It is an arithmetic number, because the mean of its divisors is an integer number (125385813).

Almost surely, 2^2712983981 is an apocalyptic number.

It is an amenable number.

2712983981 is a deficient number, since it is larger than the sum of its proper divisors (296275531).

2712983981 is an equidigital number, since it uses as much as digits as its factorization.

2712983981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 382 counting only the distinct ones).

The product of its digits is 435456, while the sum is 50.

The square root of 2712983981 is about 52086.3127990454. The cubic root of 2712983981 is about 1394.7051668980.

The spelling of 2712983981 in words is "two billion, seven hundred twelve million, nine hundred eighty-three thousand, nine hundred eighty-one".