8969400009 has 12 divisors (see below), whose sum is σ = 12957336756. Its totient is φ = 5978890752.

The previous prime is 8969399993. The next prime is 8969400043. The reversal of 8969400009 is 9000049698.

8969400009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 401120784 + 8568279225 = 20028^2 + 92565^2 .

It is not a de Polignac number, because 8969400009 - 2⁴ = 8969399993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8969400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27697 + ... + 136769.

It is an arithmetic number, because the mean of its divisors is an integer number (1079778063).

Almost surely, 2^8969400009 is an apocalyptic number.

It is an amenable number.

8969400009 is a deficient number, since it is larger than the sum of its proper divisors (3987936747).

8969400009 is a wasteful number, since it uses less digits than its factorization.

8969400009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118216 (or 118213 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 8969400009 is about 94706.9163736208. The cubic root of 8969400009 is about 2077.7237186038.

The spelling of 8969400009 in words is "eight billion, nine hundred sixty-nine million, four hundred thousand, nine".