13257847329 has 8 divisors (see below), whose sum is σ = 17678088960. Its totient is φ = 8838085296.

The previous prime is 13257847327. The next prime is 13257847357. The reversal of 13257847329 is 92374875231.

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

It is not a de Polignac number, because 13257847329 - 2¹ = 13257847327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13257847327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49489 + ... + 170190.

It is an arithmetic number, because the mean of its divisors is an integer number (2209761120).

Almost surely, 2^13257847329 is an apocalyptic number.

It is an amenable number.

13257847329 is a deficient number, since it is larger than the sum of its proper divisors (4420241631).

13257847329 is a wasteful number, since it uses less digits than its factorization.

13257847329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239799.

The product of its digits is 2540160, while the sum is 51.

The spelling of 13257847329 in words is "thirteen billion, two hundred fifty-seven million, eight hundred forty-seven thousand, three hundred twenty-nine".