2720873343049 has 3 divisors (see below), whose sum is σ = 2720874992557. Its totient is φ = 2720871693542.

The previous prime is 2720873343037. The next prime is 2720873343053. The reversal of 2720873343049 is 9403433780272.

It is a happy number.

The square root of 2720873343049 is 1649507.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2720873343049 - 2¹¹ = 2720873341001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2720873342987 and 2720873343005.

It is not an unprimeable number, because it can be changed into a prime (2720873343079) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 824754 + ... + 2474260.

Almost surely, 2^{2720873343049} is an apocalyptic number.

2720873343049 is the 1649507-th square number.

2720873343049 is the 824754-th centered octagonal number.

It is an amenable number.

2720873343049 is a deficient number, since it is larger than the sum of its proper divisors (1649508).

2720873343049 is an frugal number, since it uses more digits than its factorization.

2720873343049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299014 (or 1649507 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 2720873343049 in words is "two trillion, seven hundred twenty billion, eight hundred seventy-three million, three hundred forty-three thousand, forty-nine".