9113880409 has 2 divisors, whose sum is σ = 9113880410. Its totient is φ = 9113880408.

The previous prime is 9113880397. The next prime is 9113880443. The reversal of 9113880409 is 9040883119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7818096400 + 1295784009 = 88420^2 + 35997^2 .

It is a cyclic number.

It is not a de Polignac number, because 9113880409 - 2²⁵ = 9080325977 is a prime.

It is a super-2 number, since 2×9113880409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9113881409) 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 as a sum of consecutive naturals, namely, 4556940204 + 4556940205.

It is an arithmetic number, because the mean of its divisors is an integer number (4556940205).

Almost surely, 2^9113880409 is an apocalyptic number.

It is an amenable number.

9113880409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9113880409 is an equidigital number, since it uses as much as digits as its factorization.

9113880409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 9113880409 is about 95466.6455313059. The cubic root of 9113880409 is about 2088.8204396112.

The spelling of 9113880409 in words is "nine billion, one hundred thirteen million, eight hundred eighty thousand, four hundred nine".