2721156712 has 32 divisors (see below), whose sum is σ = 5245650720. Its totient is φ = 1322395200.

The previous prime is 2721156709. The next prime is 2721156751. The reversal of 2721156712 is 2176511272.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306723 + ... + 315469.

It is an arithmetic number, because the mean of its divisors is an integer number (163926585).

Almost surely, 2^2721156712 is an apocalyptic number.

It is an amenable number.

2721156712 is a deficient number, since it is larger than the sum of its proper divisors (2524494008).

2721156712 is a wasteful number, since it uses less digits than its factorization.

2721156712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9841 (or 9837 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 2721156712 is about 52164.7075329672. The cubic root of 2721156712 is about 1396.1042565465.

Adding to 2721156712 its reverse (2176511272), we get a palindrome (4897667984).

The spelling of 2721156712 in words is "two billion, seven hundred twenty-one million, one hundred fifty-six thousand, seven hundred twelve".