9049474879 has 2 divisors, whose sum is σ = 9049474880. Its totient is φ = 9049474878.

The previous prime is 9049474873. The next prime is 9049474921. The reversal of 9049474879 is 9784749409.

9049474879 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9049474879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9049474873) 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, 4524737439 + 4524737440.

It is an arithmetic number, because the mean of its divisors is an integer number (4524737440).

Almost surely, 2^9049474879 is an apocalyptic number.

9049474879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9049474879 is an equidigital number, since it uses as much as digits as its factorization.

9049474879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The square root of 9049474879 is about 95128.7279374638. The cubic root of 9049474879 is about 2083.8884116892. Note that the first 3 decimals are identical.

The spelling of 9049474879 in words is "nine billion, forty-nine million, four hundred seventy-four thousand, eight hundred seventy-nine".