13798689547 has 2 divisors, whose sum is σ = 13798689548. Its totient is φ = 13798689546.

The previous prime is 13798689521. The next prime is 13798689571. The reversal of 13798689547 is 74598689731.

It is a strong prime.

It is an emirp because it is prime and its reverse (74598689731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13798689547 - 2¹¹ = 13798687499 is a prime.

It is not a weakly prime, because it can be changed into another prime (13798689517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6899344773 + 6899344774.

It is an arithmetic number, because the mean of its divisors is an integer number (6899344774).

Almost surely, 2^13798689547 is an apocalyptic number.

13798689547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13798689547 is an equidigital number, since it uses as much as digits as its factorization.

13798689547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 91445760, while the sum is 67.

The spelling of 13798689547 in words is "thirteen billion, seven hundred ninety-eight million, six hundred eighty-nine thousand, five hundred forty-seven".