13129551447 has 8 divisors (see below), whose sum is σ = 17510399856. Its totient is φ = 8750868672.

The previous prime is 13129551439. The next prime is 13129551451. The reversal of 13129551447 is 74415592131.

13129551447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13129551447 - 2³ = 13129551439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13129551399 and 13129551408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13129551467) 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 in 7 ways as a sum of consecutive naturals, for example, 527208 + ... + 551549.

It is an arithmetic number, because the mean of its divisors is an integer number (2188799982).

Almost surely, 2^13129551447 is an apocalyptic number.

13129551447 is a deficient number, since it is larger than the sum of its proper divisors (4380848409).

13129551447 is a wasteful number, since it uses less digits than its factorization.

13129551447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082817.

The product of its digits is 151200, while the sum is 42.

The spelling of 13129551447 in words is "thirteen billion, one hundred twenty-nine million, five hundred fifty-one thousand, four hundred forty-seven".