13606864049 has 2 divisors, whose sum is σ = 13606864050. Its totient is φ = 13606864048.

The previous prime is 13606863983. The next prime is 13606864087. The reversal of 13606864049 is 94046860631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12983463025 + 623401024 = 113945^2 + 24968^2 .

It is an emirp because it is prime and its reverse (94046860631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13606864049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13606863994 and 13606864012.

It is not a weakly prime, because it can be changed into another prime (13606860049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6803432024 + 6803432025.

It is an arithmetic number, because the mean of its divisors is an integer number (6803432025).

Almost surely, 2^13606864049 is an apocalyptic number.

It is an amenable number.

13606864049 is a deficient number, since it is larger than the sum of its proper divisors (1).

13606864049 is an equidigital number, since it uses as much as digits as its factorization.

13606864049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 13606864049 in words is "thirteen billion, six hundred six million, eight hundred sixty-four thousand, forty-nine".