13306545545 has 4 divisors (see below), whose sum is σ = 15967854660. Its totient is φ = 10645236432.

The previous prime is 13306545533. The next prime is 13306545547. The reversal of 13306545545 is 54554560331.

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 3325136896 + 9981408649 = 57664^2 + 99907^2 .

It is a cyclic number.

It is not a de Polignac number, because 13306545545 - 2⁴ = 13306545529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13306545547) 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, 1330654550 + ... + 1330654559.

It is an arithmetic number, because the mean of its divisors is an integer number (3991963665).

Almost surely, 2^13306545545 is an apocalyptic number.

It is an amenable number.

13306545545 is a deficient number, since it is larger than the sum of its proper divisors (2661309115).

13306545545 is an equidigital number, since it uses as much as digits as its factorization.

13306545545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661309114.

The product of its (nonzero) digits is 540000, while the sum is 41.

The spelling of 13306545545 in words is "thirteen billion, three hundred six million, five hundred forty-five thousand, five hundred forty-five".