13548178744813 has 2 divisors, whose sum is σ = 13548178744814. Its totient is φ = 13548178744812.

The previous prime is 13548178744769. The next prime is 13548178744817. The reversal of 13548178744813 is 31844787184531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11331659260009 + 2216519484804 = 3366253^2 + 1488798^2 .

It is a cyclic number.

It is not a de Polignac number, because 13548178744813 - 2³³ = 13539588810221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13548178744817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774089372406 + 6774089372407.

It is an arithmetic number, because the mean of its divisors is an integer number (6774089372407).

Almost surely, 2^{13548178744813} is an apocalyptic number.

It is an amenable number.

13548178744813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13548178744813 is an equidigital number, since it uses as much as digits as its factorization.

13548178744813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72253440, while the sum is 64.

The spelling of 13548178744813 in words is "thirteen trillion, five hundred forty-eight billion, one hundred seventy-eight million, seven hundred forty-four thousand, eight hundred thirteen".