2720827849 has 16 divisors (see below), whose sum is σ = 3048503040. Its totient is φ = 2414917120.

The previous prime is 2720827847. The next prime is 2720827867. The reversal of 2720827849 is 9487280272.

It is a cyclic number.

It is not a de Polignac number, because 2720827849 - 2¹ = 2720827847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2720827847) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21244 + ... + 76765.

It is an arithmetic number, because the mean of its divisors is an integer number (190531440).

Almost surely, 2^2720827849 is an apocalyptic number.

It is an amenable number.

2720827849 is a deficient number, since it is larger than the sum of its proper divisors (327675191).

2720827849 is a wasteful number, since it uses less digits than its factorization.

2720827849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98120.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 2720827849 is about 52161.5552778097. Note that the first 3 decimals coincide. The cubic root of 2720827849 is about 1396.0480126302.

The spelling of 2720827849 in words is "two billion, seven hundred twenty million, eight hundred twenty-seven thousand, eight hundred forty-nine".