13548374729 has 2 divisors, whose sum is σ = 13548374730. Its totient is φ = 13548374728.

The previous prime is 13548374713. The next prime is 13548374731. The reversal of 13548374729 is 92747384531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12796134400 + 752240329 = 113120^2 + 27427^2 .

It is a cyclic number.

It is not a de Polignac number, because 13548374729 - 2⁴ = 13548374713 is a prime.

Together with 13548374731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13548374759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6774187364 + 6774187365.

It is an arithmetic number, because the mean of its divisors is an integer number (6774187365).

Almost surely, 2^13548374729 is an apocalyptic number.

It is an amenable number.

13548374729 is a deficient number, since it is larger than the sum of its proper divisors (1).

13548374729 is an equidigital number, since it uses as much as digits as its factorization.

13548374729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 13548374729 in words is "thirteen billion, five hundred forty-eight million, three hundred seventy-four thousand, seven hundred twenty-nine".