9846870749 has 2 divisors, whose sum is σ = 9846870750. Its totient is φ = 9846870748.

The previous prime is 9846870731. The next prime is 9846870773. The reversal of 9846870749 is 9470786489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9822792100 + 24078649 = 99110^2 + 4907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9846870749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9846870691 and 9846870700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9846870149) 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, 4923435374 + 4923435375.

It is an arithmetic number, because the mean of its divisors is an integer number (4923435375).

Almost surely, 2^9846870749 is an apocalyptic number.

It is an amenable number.

9846870749 is a deficient number, since it is larger than the sum of its proper divisors (1).

9846870749 is an equidigital number, since it uses as much as digits as its factorization.

9846870749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The square root of 9846870749 is about 99231.4000153177. The cubic root of 9846870749 is about 2143.3811770029.

The spelling of 9846870749 in words is "nine billion, eight hundred forty-six million, eight hundred seventy thousand, seven hundred forty-nine".