13547113849 has 2 divisors, whose sum is σ = 13547113850. Its totient is φ = 13547113848.

The previous prime is 13547113757. The next prime is 13547113859. The reversal of 13547113849 is 94831174531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6796848249 + 6750265600 = 82443^2 + 82160^2 .

It is a cyclic number.

It is not a de Polignac number, because 13547113849 - 2⁹ = 13547113337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13547113799 and 13547113808.

It is not a weakly prime, because it can be changed into another prime (13547113859) 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, 6773556924 + 6773556925.

It is an arithmetic number, because the mean of its divisors is an integer number (6773556925).

Almost surely, 2^13547113849 is an apocalyptic number.

It is an amenable number.

13547113849 is a deficient number, since it is larger than the sum of its proper divisors (1).

13547113849 is an equidigital number, since it uses as much as digits as its factorization.

13547113849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The spelling of 13547113849 in words is "thirteen billion, five hundred forty-seven million, one hundred thirteen thousand, eight hundred forty-nine".