9656000449 has 2 divisors, whose sum is σ = 9656000450. Its totient is φ = 9656000448.

The previous prime is 9656000423. The next prime is 9656000479. The reversal of 9656000449 is 9440006569.

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., 5417990449 + 4238010000 = 73607^2 + 65100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9656000449 is a prime.

It is not a weakly prime, because it can be changed into another prime (9656000479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4828000224 + 4828000225.

It is an arithmetic number, because the mean of its divisors is an integer number (4828000225).

Almost surely, 2^9656000449 is an apocalyptic number.

It is an amenable number.

9656000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9656000449 is an equidigital number, since it uses as much as digits as its factorization.

9656000449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 9656000449 is about 98264.9502569456. The cubic root of 9656000449 is about 2129.4417228784.

The spelling of 9656000449 in words is "nine billion, six hundred fifty-six million, four hundred forty-nine", and thus it is an aban number.