264223217472499 has 2 divisors, whose sum is σ = 264223217472500. Its totient is φ = 264223217472498.

The previous prime is 264223217472493. The next prime is 264223217472583. The reversal of 264223217472499 is 994274712322462.

264223217472499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264223217472499 - 2³ = 264223217472491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264223217472499.

It is not a weakly prime, because it can be changed into another prime (264223217472491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132111608736249 + 132111608736250.

It is an arithmetic number, because the mean of its divisors is an integer number (132111608736250).

Almost surely, 2^{264223217472499} is an apocalyptic number.

264223217472499 is a deficient number, since it is larger than the sum of its proper divisors (1).

264223217472499 is an equidigital number, since it uses as much as digits as its factorization.

264223217472499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146313216, while the sum is 64.

The spelling of 264223217472499 in words is "two hundred sixty-four trillion, two hundred twenty-three billion, two hundred seventeen million, four hundred seventy-two thousand, four hundred ninety-nine".