13064344745 has 4 divisors (see below), whose sum is σ = 15677213700. Its totient is φ = 10451475792.

The previous prime is 13064344721. The next prime is 13064344751. The reversal of 13064344745 is 54744346031.

It is a happy number.

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 4607151376 + 8457193369 = 67876^2 + 91963^2 .

It is a cyclic number.

It is not a de Polignac number, because 13064344745 - 2⁶ = 13064344681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306434470 + ... + 1306434479.

It is an arithmetic number, because the mean of its divisors is an integer number (3919303425).

Almost surely, 2^13064344745 is an apocalyptic number.

It is an amenable number.

13064344745 is a deficient number, since it is larger than the sum of its proper divisors (2612868955).

13064344745 is an equidigital number, since it uses as much as digits as its factorization.

13064344745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612868954.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 13064344745 in words is "thirteen billion, sixty-four million, three hundred forty-four thousand, seven hundred forty-five".