13829171474 has 4 divisors (see below), whose sum is σ = 20743757214. Its totient is φ = 6914585736.

The previous prime is 13829171443. The next prime is 13829171491. The reversal of 13829171474 is 47417192831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47417192831 = 31177 ⋅1520903.

It can be written as a sum of positive squares in only one way, i.e., 13648080625 + 181090849 = 116825^2 + 13457^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3457292867 + ... + 3457292870.

Almost surely, 2^13829171474 is an apocalyptic number.

13829171474 is a deficient number, since it is larger than the sum of its proper divisors (6914585740).

13829171474 is an equidigital number, since it uses as much as digits as its factorization.

13829171474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914585739.

The product of its digits is 338688, while the sum is 47.

The spelling of 13829171474 in words is "thirteen billion, eight hundred twenty-nine million, one hundred seventy-one thousand, four hundred seventy-four".