9047440811 has 4 divisors (see below), whose sum is σ = 9048572352. Its totient is φ = 9046309272.

The previous prime is 9047440807. The next prime is 9047440819. The reversal of 9047440811 is 1180447409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1180447409 = 19 ⋅62128811.

It is a cyclic number.

It is not a de Polignac number, because 9047440811 - 2² = 9047440807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9047440819) 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, 553691 + ... + 569796.

It is an arithmetic number, because the mean of its divisors is an integer number (2262143088).

Almost surely, 2^9047440811 is an apocalyptic number.

9047440811 is a deficient number, since it is larger than the sum of its proper divisors (1131541).

9047440811 is a wasteful number, since it uses less digits than its factorization.

9047440811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131540.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 9047440811 is about 95118.0362023943. The cubic root of 9047440811 is about 2083.7322667778.

The spelling of 9047440811 in words is "nine billion, forty-seven million, four hundred forty thousand, eight hundred eleven".