13319564649545 has 32 divisors (see below), whose sum is σ = 20254132152576. Its totient is φ = 8166988742400.

The previous prime is 13319564649493. The next prime is 13319564649553. The reversal of 13319564649545 is 54594646591331.

13319564649545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13319564649545 - 2⁸ = 13319564649289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283552514 + ... + 283599483.

It is an arithmetic number, because the mean of its divisors is an integer number (632941629768).

Almost surely, 2^{13319564649545} is an apocalyptic number.

It is an amenable number.

13319564649545 is a deficient number, since it is larger than the sum of its proper divisors (6934567503031).

13319564649545 is a wasteful number, since it uses less digits than its factorization.

13319564649545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567152081.

The product of its digits is 209952000, while the sum is 65.

The spelling of 13319564649545 in words is "thirteen trillion, three hundred nineteen billion, five hundred sixty-four million, six hundred forty-nine thousand, five hundred forty-five".