9946713989 has 2 divisors, whose sum is σ = 9946713990. Its totient is φ = 9946713988.

The previous prime is 9946713967. The next prime is 9946714027. The reversal of 9946713989 is 9893176499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6466893889 + 3479820100 = 80417^2 + 58990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9946713989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9946713949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4973356994 + 4973356995.

It is an arithmetic number, because the mean of its divisors is an integer number (4973356995).

Almost surely, 2^9946713989 is an apocalyptic number.

It is an amenable number.

9946713989 is a deficient number, since it is larger than the sum of its proper divisors (1).

9946713989 is an equidigital number, since it uses as much as digits as its factorization.

9946713989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 65.

The square root of 9946713989 is about 99733.2140713413. The cubic root of 9946713989 is about 2150.6011651527.

The spelling of 9946713989 in words is "nine billion, nine hundred forty-six million, seven hundred thirteen thousand, nine hundred eighty-nine".