2721491033776 has 20 divisors (see below), whose sum is σ = 5272916030872. Its totient is φ = 1360738509696.

The previous prime is 2721491033713. The next prime is 2721491033777. The reversal of 2721491033776 is 6773301941272.

It is a super-2 number, since 2×2721491033776² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2721491033777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4357231 + ... + 4942513.

Almost surely, 2^{2721491033776} is an apocalyptic number.

It is an amenable number.

2721491033776 is a deficient number, since it is larger than the sum of its proper divisors (2551424997096).

2721491033776 is a wasteful number, since it uses less digits than its factorization.

2721491033776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875908 (or 875902 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 52.

The spelling of 2721491033776 in words is "two trillion, seven hundred twenty-one billion, four hundred ninety-one million, thirty-three thousand, seven hundred seventy-six".