9117502019 has 2 divisors, whose sum is σ = 9117502020. Its totient is φ = 9117502018.

The previous prime is 9117501983. The next prime is 9117502021. The reversal of 9117502019 is 9102057119.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9117502019 is a prime.

It is a super-2 number, since 2×9117502019² (a number of 21 digits) contains 22 as substring.

Together with 9117502021, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9117502019.

It is not a weakly prime, because it can be changed into another prime (9117508019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4558751009 + 4558751010.

It is an arithmetic number, because the mean of its divisors is an integer number (4558751010).

Almost surely, 2^9117502019 is an apocalyptic number.

9117502019 is a deficient number, since it is larger than the sum of its proper divisors (1).

9117502019 is an equidigital number, since it uses as much as digits as its factorization.

9117502019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 35.

The square root of 9117502019 is about 95485.6115810126. The cubic root of 9117502019 is about 2089.0970832524.

Subtracting from 9117502019 its reverse (9102057119), we obtain a square (15444900 = 3930²).

The spelling of 9117502019 in words is "nine billion, one hundred seventeen million, five hundred two thousand, nineteen".