13544142473 has 2 divisors, whose sum is σ = 13544142474. Its totient is φ = 13544142472.

The previous prime is 13544142449. The next prime is 13544142551. The reversal of 13544142473 is 37424144531.

13544142473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13540347769 + 3794704 = 116363^2 + 1948^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13544142473 is a prime.

It is not a weakly prime, because it can be changed into another prime (13544142413) 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 as a sum of consecutive naturals, namely, 6772071236 + 6772071237.

It is an arithmetic number, because the mean of its divisors is an integer number (6772071237).

Almost surely, 2^13544142473 is an apocalyptic number.

It is an amenable number.

13544142473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13544142473 is an equidigital number, since it uses as much as digits as its factorization.

13544142473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 38.

The spelling of 13544142473 in words is "thirteen billion, five hundred forty-four million, one hundred forty-two thousand, four hundred seventy-three".