4400004047 has 2 divisors, whose sum is σ = 4400004048. Its totient is φ = 4400004046.

The previous prime is 4400004043. The next prime is 4400004061. The reversal of 4400004047 is 7404000044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4400004047 - 2² = 4400004043 is a prime.

It is a super-2 number, since 2×4400004047² = 38720071227232756418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400004041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200002023 + 2200002024.

It is an arithmetic number, because the mean of its divisors is an integer number (2200002024).

Almost surely, 2^4400004047 is an apocalyptic number.

4400004047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400004047 is an equidigital number, since it uses as much as digits as its factorization.

4400004047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 4400004047 is about 66332.5263125113. The cubic root of 4400004047 is about 1638.6430435940.

The spelling of 4400004047 in words is "four billion, four hundred million, four thousand, forty-seven".