9667613489 has 2 divisors, whose sum is σ = 9667613490. Its totient is φ = 9667613488.

The previous prime is 9667613447. The next prime is 9667613551. The reversal of 9667613489 is 9843167669.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9664462864 + 3150625 = 98308^2 + 1775^2 .

It is an emirp because it is prime and its reverse (9843167669) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9667613489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9667613419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4833806744 + 4833806745.

It is an arithmetic number, because the mean of its divisors is an integer number (4833806745).

Almost surely, 2^9667613489 is an apocalyptic number.

It is an amenable number.

9667613489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9667613489 is an equidigital number, since it uses as much as digits as its factorization.

9667613489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 9667613489 is about 98324.0229496332. The cubic root of 9667613489 is about 2130.2950570264.

The spelling of 9667613489 in words is "nine billion, six hundred sixty-seven million, six hundred thirteen thousand, four hundred eighty-nine".