13475068549 has 2 divisors, whose sum is σ = 13475068550. Its totient is φ = 13475068548.

The previous prime is 13475068507. The next prime is 13475068553. The reversal of 13475068549 is 94586057431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10461607524 + 3013461025 = 102282^2 + 54895^2 .

It is a cyclic number.

It is not a de Polignac number, because 13475068549 - 2¹⁵ = 13475035781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13475068496 and 13475068505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13475068049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737534274 + 6737534275.

It is an arithmetic number, because the mean of its divisors is an integer number (6737534275).

Almost surely, 2^13475068549 is an apocalyptic number.

It is an amenable number.

13475068549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475068549 is an equidigital number, since it uses as much as digits as its factorization.

13475068549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 13475068549 in words is "thirteen billion, four hundred seventy-five million, sixty-eight thousand, five hundred forty-nine".