909479113 has 2 divisors, whose sum is σ = 909479114. Its totient is φ = 909479112.

The previous prime is 909479089. The next prime is 909479119. The reversal of 909479113 is 311974909.

It is a happy number.

909479113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457831609 + 451647504 = 21397^2 + 21252^2 .

It is a cyclic number.

It is not a de Polignac number, because 909479113 - 2⁹ = 909478601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 909479113.

It is not a weakly prime, because it can be changed into another prime (909479119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454739556 + 454739557.

It is an arithmetic number, because the mean of its divisors is an integer number (454739557).

Almost surely, 2^909479113 is an apocalyptic number.

It is an amenable number.

909479113 is a deficient number, since it is larger than the sum of its proper divisors (1).

909479113 is an equidigital number, since it uses as much as digits as its factorization.

909479113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 909479113 is about 30157.5714042096. The cubic root of 909479113 is about 968.8671768466.

The spelling of 909479113 in words is "nine hundred nine million, four hundred seventy-nine thousand, one hundred thirteen".