13428875671 has 4 divisors (see below), whose sum is σ = 14218809552. Its totient is φ = 12638941792.

The previous prime is 13428875659. The next prime is 13428875693. The reversal of 13428875671 is 17657882431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17657882431 = 7 ⋅2522554633.

It is a cyclic number.

It is not a de Polignac number, because 13428875671 - 2⁵ = 13428875639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13428885671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394966915 + ... + 394966948.

It is an arithmetic number, because the mean of its divisors is an integer number (3554702388).

Almost surely, 2^13428875671 is an apocalyptic number.

13428875671 is a deficient number, since it is larger than the sum of its proper divisors (789933881).

13428875671 is an equidigital number, since it uses as much as digits as its factorization.

13428875671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789933880.

The product of its digits is 2257920, while the sum is 52.

The spelling of 13428875671 in words is "thirteen billion, four hundred twenty-eight million, eight hundred seventy-five thousand, six hundred seventy-one".