11683646197 has 2 divisors, whose sum is σ = 11683646198. Its totient is φ = 11683646196.

The previous prime is 11683646167. The next prime is 11683646267. The reversal of 11683646197 is 79164638611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9079993521 + 2603652676 = 95289^2 + 51026^2 .

It is a cyclic number.

It is not a de Polignac number, because 11683646197 - 2⁷ = 11683646069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11683646137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5841823098 + 5841823099.

It is an arithmetic number, because the mean of its divisors is an integer number (5841823099).

Almost surely, 2^11683646197 is an apocalyptic number.

It is an amenable number.

11683646197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11683646197 is an equidigital number, since it uses as much as digits as its factorization.

11683646197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The spelling of 11683646197 in words is "eleven billion, six hundred eighty-three million, six hundred forty-six thousand, one hundred ninety-seven".