9423179897 has 2 divisors, whose sum is σ = 9423179898. Its totient is φ = 9423179896.

The previous prime is 9423179893. The next prime is 9423179923. The reversal of 9423179897 is 7989713249.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9259058176 + 164121721 = 96224^2 + 12811^2 .

It is a cyclic number.

It is not a de Polignac number, because 9423179897 - 2² = 9423179893 is a prime.

It is not a weakly prime, because it can be changed into another prime (9423179893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4711589948 + 4711589949.

It is an arithmetic number, because the mean of its divisors is an integer number (4711589949).

Almost surely, 2^9423179897 is an apocalyptic number.

It is an amenable number.

9423179897 is a deficient number, since it is larger than the sum of its proper divisors (1).

9423179897 is an equidigital number, since it uses as much as digits as its factorization.

9423179897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 59.

The square root of 9423179897 is about 97073.0647347656. The cubic root of 9423179897 is about 2112.1876262883.

The spelling of 9423179897 in words is "nine billion, four hundred twenty-three million, one hundred seventy-nine thousand, eight hundred ninety-seven".