264673474476197 has 2 divisors, whose sum is σ = 264673474476198. Its totient is φ = 264673474476196.

The previous prime is 264673474476149. The next prime is 264673474476199. The reversal of 264673474476197 is 791674474376462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133809346624801 + 130864127851396 = 11567599^2 + 11439586^2 .

It is a cyclic number.

It is not a de Polignac number, because 264673474476197 - 2⁶ = 264673474476133 is a prime.

Together with 264673474476199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264673474476199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132336737238098 + 132336737238099.

It is an arithmetic number, because the mean of its divisors is an integer number (132336737238099).

Almost surely, 2^{264673474476197} is an apocalyptic number.

It is an amenable number.

264673474476197 is a deficient number, since it is larger than the sum of its proper divisors (1).

264673474476197 is an equidigital number, since it uses as much as digits as its factorization.

264673474476197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7169347584, while the sum is 77.

The spelling of 264673474476197 in words is "two hundred sixty-four trillion, six hundred seventy-three billion, four hundred seventy-four million, four hundred seventy-six thousand, one hundred ninety-seven".