9368448809 has 2 divisors, whose sum is σ = 9368448810. Its totient is φ = 9368448808.

The previous prime is 9368448799. The next prime is 9368448823. The reversal of 9368448809 is 9088448639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8390010409 + 978438400 = 91597^2 + 31280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9368448809 is a prime.

It is not a weakly prime, because it can be changed into another prime (9368448839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4684224404 + 4684224405.

It is an arithmetic number, because the mean of its divisors is an integer number (4684224405).

Almost surely, 2^9368448809 is an apocalyptic number.

It is an amenable number.

9368448809 is a deficient number, since it is larger than the sum of its proper divisors (1).

9368448809 is an equidigital number, since it uses as much as digits as its factorization.

9368448809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11943936, while the sum is 59.

The square root of 9368448809 is about 96790.7475381816. The cubic root of 9368448809 is about 2108.0903942726.

The spelling of 9368448809 in words is "nine billion, three hundred sixty-eight million, four hundred forty-eight thousand, eight hundred nine".