13475068513 has 4 divisors (see below), whose sum is σ = 14267719620. Its totient is φ = 12682417408.

The previous prime is 13475068507. The next prime is 13475068549. The reversal of 13475068513 is 31586057431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4709802384 + 8765266129 = 68628^2 + 93623^2 .

It is a cyclic number.

It is not a de Polignac number, because 13475068513 - 2²¹ = 13472971361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13475068513.

It is not an unprimeable number, because it can be changed into a prime (13475068553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396325528 + ... + 396325561.

It is an arithmetic number, because the mean of its divisors is an integer number (3566929905).

Almost surely, 2^13475068513 is an apocalyptic number.

It is an amenable number.

13475068513 is a deficient number, since it is larger than the sum of its proper divisors (792651107).

13475068513 is an equidigital number, since it uses as much as digits as its factorization.

13475068513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792651106.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 13475068513 in words is "thirteen billion, four hundred seventy-five million, sixty-eight thousand, five hundred thirteen".