13266790513 has 2 divisors, whose sum is σ = 13266790514. Its totient is φ = 13266790512.

The previous prime is 13266790477. The next prime is 13266790541. The reversal of 13266790513 is 31509766231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13263668224 + 3122289 = 115168^2 + 1767^2 .

It is a cyclic number.

It is not a de Polignac number, because 13266790513 - 2⁹ = 13266790001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13266790513.

It is not a weakly prime, because it can be changed into another prime (13266790543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6633395256 + 6633395257.

It is an arithmetic number, because the mean of its divisors is an integer number (6633395257).

Almost surely, 2^13266790513 is an apocalyptic number.

It is an amenable number.

13266790513 is a deficient number, since it is larger than the sum of its proper divisors (1).

13266790513 is an equidigital number, since it uses as much as digits as its factorization.

13266790513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 13266790513 in words is "thirteen billion, two hundred sixty-six million, seven hundred ninety thousand, five hundred thirteen".