13873941563 has 2 divisors, whose sum is σ = 13873941564. Its totient is φ = 13873941562.

The previous prime is 13873941551. The next prime is 13873941577. The reversal of 13873941563 is 36514937831.

It is a weak prime.

It is an emirp because it is prime and its reverse (36514937831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13873941563 - 2⁴ = 13873941547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13873941583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936970781 + 6936970782.

It is an arithmetic number, because the mean of its divisors is an integer number (6936970782).

Almost surely, 2^13873941563 is an apocalyptic number.

13873941563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13873941563 is an equidigital number, since it uses as much as digits as its factorization.

13873941563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The spelling of 13873941563 in words is "thirteen billion, eight hundred seventy-three million, nine hundred forty-one thousand, five hundred sixty-three".