8683198913 has 2 divisors, whose sum is σ = 8683198914. Its totient is φ = 8683198912.

The previous prime is 8683198793. The next prime is 8683198933. The reversal of 8683198913 is 3198913868.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8359810624 + 323388289 = 91432^2 + 17983^2 .

It is a cyclic number.

It is not a de Polignac number, because 8683198913 - 2²⁸ = 8414763457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8683198933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4341599456 + 4341599457.

It is an arithmetic number, because the mean of its divisors is an integer number (4341599457).

Almost surely, 2^8683198913 is an apocalyptic number.

It is an amenable number.

8683198913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8683198913 is an equidigital number, since it uses as much as digits as its factorization.

8683198913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 56.

The square root of 8683198913 is about 93183.6837273565. The cubic root of 8683198913 is about 2055.3853179988.

The spelling of 8683198913 in words is "eight billion, six hundred eighty-three million, one hundred ninety-eight thousand, nine hundred thirteen".