9113880491 has 2 divisors, whose sum is σ = 9113880492. Its totient is φ = 9113880490.

The previous prime is 9113880473. The next prime is 9113880521. The reversal of 9113880491 is 1940883119.

9113880491 is digitally balanced in base 3, because in such base 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-9113880491 is a prime.

It is not a weakly prime, because it can be changed into another prime (9113880091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556940245 + 4556940246.

It is an arithmetic number, because the mean of its divisors is an integer number (4556940246).

Almost surely, 2^9113880491 is an apocalyptic number.

9113880491 is a deficient number, since it is larger than the sum of its proper divisors (1).

9113880491 is an equidigital number, since it uses as much as digits as its factorization.

9113880491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 9113880491 is about 95466.6459607752. The cubic root of 9113880491 is about 2088.8204458758.

The spelling of 9113880491 in words is "nine billion, one hundred thirteen million, eight hundred eighty thousand, four hundred ninety-one".