13563420577 has 8 divisors (see below), whose sum is σ = 15755168192. Its totient is φ = 11435202000.

The previous prime is 13563420569. The next prime is 13563420587. The reversal of 13563420577 is 77502436531.

13563420577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13563420577 - 2³ = 13563420569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13563420557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15881799 + ... + 15882652.

It is an arithmetic number, because the mean of its divisors is an integer number (1969396024).

Almost surely, 2^13563420577 is an apocalyptic number.

It is an amenable number.

13563420577 is a deficient number, since it is larger than the sum of its proper divisors (2191747615).

13563420577 is an equidigital number, since it uses as much as digits as its factorization.

13563420577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31764519.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 13563420577 in words is "thirteen billion, five hundred sixty-three million, four hundred twenty thousand, five hundred seventy-seven".