2721371326843 has 8 divisors (see below), whose sum is σ = 2930721668336. Its totient is φ = 2512022997600.

The previous prime is 2721371326753. The next prime is 2721371326847. The reversal of 2721371326843 is 3486231731272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2721371326843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2721371326847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3465148 + ... + 4177318.

It is an arithmetic number, because the mean of its divisors is an integer number (366340208542).

Almost surely, 2^{2721371326843} is an apocalyptic number.

2721371326843 is a deficient number, since it is larger than the sum of its proper divisors (209350341493).

2721371326843 is a wasteful number, since it uses less digits than its factorization.

2721371326843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006125.

The product of its digits is 2032128, while the sum is 49.

The spelling of 2721371326843 in words is "two trillion, seven hundred twenty-one billion, three hundred seventy-one million, three hundred twenty-six thousand, eight hundred forty-three".