9149867317 has 2 divisors, whose sum is σ = 9149867318. Its totient is φ = 9149867316.

The previous prime is 9149867299. The next prime is 9149867329. The reversal of 9149867317 is 7137689419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8530554321 + 619312996 = 92361^2 + 24886^2 .

It is a cyclic number.

It is not a de Polignac number, because 9149867317 - 2²⁷ = 9015649589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9149867357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4574933658 + 4574933659.

It is an arithmetic number, because the mean of its divisors is an integer number (4574933659).

Almost surely, 2^9149867317 is an apocalyptic number.

It is an amenable number.

9149867317 is a deficient number, since it is larger than the sum of its proper divisors (1).

9149867317 is an equidigital number, since it uses as much as digits as its factorization.

9149867317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 55.

The square root of 9149867317 is about 95654.9388008795. The cubic root of 9149867317 is about 2091.5661221498.

The spelling of 9149867317 in words is "nine billion, one hundred forty-nine million, eight hundred sixty-seven thousand, three hundred seventeen".