2948815811 has 16 divisors (see below), whose sum is σ = 3052637280. Its totient is φ = 2847252480.

The previous prime is 2948815777. The next prime is 2948815819. The reversal of 2948815811 is 1185188492.

It is a cyclic number.

It is not a de Polignac number, because 2948815811 - 2¹⁸ = 2948553667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2948815819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782171 + ... + 785931.

It is an arithmetic number, because the mean of its divisors is an integer number (190789830).

Almost surely, 2^2948815811 is an apocalyptic number.

2948815811 is a deficient number, since it is larger than the sum of its proper divisors (103821469).

2948815811 is a wasteful number, since it uses less digits than its factorization.

2948815811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054.

The product of its digits is 184320, while the sum is 47.

The square root of 2948815811 is about 54303.0000184152. Note that the first 4 decimals coincide. The cubic root of 2948815811 is about 1434.0002118634. Note that the first 3 decimals are identical.

The spelling of 2948815811 in words is "two billion, nine hundred forty-eight million, eight hundred fifteen thousand, eight hundred eleven".