2720947229 has 16 divisors (see below), whose sum is σ = 3653301120. Its totient is φ = 1957124160.

The previous prime is 2720947217. The next prime is 2720947237. The reversal of 2720947229 is 9227490272.

It is a cyclic number.

It is not a de Polignac number, because 2720947229 - 2⁴ = 2720947213 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2720947229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720947289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1358114 + ... + 1360115.

It is an arithmetic number, because the mean of its divisors is an integer number (228331320).

Almost surely, 2^2720947229 is an apocalyptic number.

It is an amenable number.

2720947229 is a deficient number, since it is larger than the sum of its proper divisors (932353891).

2720947229 is a wasteful number, since it uses less digits than its factorization.

2720947229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718260.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 2720947229 is about 52162.6995946337. The cubic root of 2720947229 is about 1396.0684301628.

It can be divided in two parts, 2720 and 947229, that added together give a palindrome (949949).

The spelling of 2720947229 in words is "two billion, seven hundred twenty million, nine hundred forty-seven thousand, two hundred twenty-nine".