9869130949 has 2 divisors, whose sum is σ = 9869130950. Its totient is φ = 9869130948.

The previous prime is 9869130937. The next prime is 9869131001. The reversal of 9869130949 is 9490319689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7589545924 + 2279585025 = 87118^2 + 47745^2 .

It is a cyclic number.

It is not a de Polignac number, because 9869130949 - 2³³ = 1279196357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9869130893 and 9869130902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9869130449) 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, 4934565474 + 4934565475.

It is an arithmetic number, because the mean of its divisors is an integer number (4934565475).

Almost surely, 2^9869130949 is an apocalyptic number.

It is an amenable number.

9869130949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869130949 is an equidigital number, since it uses as much as digits as its factorization.

9869130949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3779136, while the sum is 58.

The square root of 9869130949 is about 99343.4997823209. The cubic root of 9869130949 is about 2144.9950970233.

The spelling of 9869130949 in words is "nine billion, eight hundred sixty-nine million, one hundred thirty thousand, nine hundred forty-nine".