13405041547 has 2 divisors, whose sum is σ = 13405041548. Its totient is φ = 13405041546.

The previous prime is 13405041527. The next prime is 13405041571. The reversal of 13405041547 is 74514050431.

It is a weak prime.

It is an emirp because it is prime and its reverse (74514050431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13405041547 is a prime.

It is not a weakly prime, because it can be changed into another prime (13405041527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702520773 + 6702520774.

It is an arithmetic number, because the mean of its divisors is an integer number (6702520774).

Almost surely, 2^13405041547 is an apocalyptic number.

13405041547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405041547 is an equidigital number, since it uses as much as digits as its factorization.

13405041547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 34.

Adding to 13405041547 its reverse (74514050431), we get a palindrome (87919091978).

The spelling of 13405041547 in words is "thirteen billion, four hundred five million, forty-one thousand, five hundred forty-seven".