13851347329 has 32 divisors (see below), whose sum is σ = 15145574400. Its totient is φ = 12619514880.

The previous prime is 13851347311. The next prime is 13851347347. The reversal of 13851347329 is 92374315831.

It is an interprime number because it is at equal distance from previous prime (13851347311) and next prime (13851347347).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13851347329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13851347129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16708087 + ... + 16708915.

It is an arithmetic number, because the mean of its divisors is an integer number (473299200).

Almost surely, 2^13851347329 is an apocalyptic number.

It is an amenable number.

13851347329 is a deficient number, since it is larger than the sum of its proper divisors (1294227071).

13851347329 is a wasteful number, since it uses less digits than its factorization.

13851347329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its digits is 544320, while the sum is 46.

The spelling of 13851347329 in words is "thirteen billion, eight hundred fifty-one million, three hundred forty-seven thousand, three hundred twenty-nine".