13553434771 has 2 divisors, whose sum is σ = 13553434772. Its totient is φ = 13553434770.

The previous prime is 13553434709. The next prime is 13553434777. The reversal of 13553434771 is 17743435531.

It is a strong prime.

It is an emirp because it is prime and its reverse (17743435531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13553434771 is a prime.

It is not a weakly prime, because it can be changed into another prime (13553434777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776717385 + 6776717386.

It is an arithmetic number, because the mean of its divisors is an integer number (6776717386).

Almost surely, 2^13553434771 is an apocalyptic number.

13553434771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13553434771 is an equidigital number, since it uses as much as digits as its factorization.

13553434771 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 13553434771 in words is "thirteen billion, five hundred fifty-three million, four hundred thirty-four thousand, seven hundred seventy-one".