9915116479 has 2 divisors, whose sum is σ = 9915116480. Its totient is φ = 9915116478.

The previous prime is 9915116423. The next prime is 9915116537. The reversal of 9915116479 is 9746115199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9915116479 - 2²⁹ = 9378245567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9915116179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4957558239 + 4957558240.

It is an arithmetic number, because the mean of its divisors is an integer number (4957558240).

Almost surely, 2^9915116479 is an apocalyptic number.

9915116479 is a deficient number, since it is larger than the sum of its proper divisors (1).

9915116479 is an equidigital number, since it uses as much as digits as its factorization.

9915116479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 52.

The square root of 9915116479 is about 99574.6779005586. The cubic root of 9915116479 is about 2148.3214935354.

The spelling of 9915116479 in words is "nine billion, nine hundred fifteen million, one hundred sixteen thousand, four hundred seventy-nine".