4047367811 has 4 divisors (see below), whose sum is σ = 4049269224. Its totient is φ = 4045466400.

The previous prime is 4047367787. The next prime is 4047367889. The reversal of 4047367811 is 1187637404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4047367811 - 2²² = 4043173507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4047367711) 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 3 ways as a sum of consecutive naturals, for example, 947510 + ... + 951771.

It is an arithmetic number, because the mean of its divisors is an integer number (1012317306).

Almost surely, 2^4047367811 is an apocalyptic number.

4047367811 is a deficient number, since it is larger than the sum of its proper divisors (1901413).

4047367811 is a wasteful number, since it uses less digits than its factorization.

4047367811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901412.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 4047367811 is about 63618.9265156211. The cubic root of 4047367811 is about 1593.6424557016.

The spelling of 4047367811 in words is "four billion, forty-seven million, three hundred sixty-seven thousand, eight hundred eleven".