13234129971 has 4 divisors (see below), whose sum is σ = 17645506632. Its totient is φ = 8822753312.

The previous prime is 13234129969. The next prime is 13234129981. The reversal of 13234129971 is 17992143231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13234129971 - 2¹ = 13234129969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13234129901) 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, 2205688326 + ... + 2205688331.

It is an arithmetic number, because the mean of its divisors is an integer number (4411376658).

Almost surely, 2^13234129971 is an apocalyptic number.

13234129971 is a deficient number, since it is larger than the sum of its proper divisors (4411376661).

13234129971 is an equidigital number, since it uses as much as digits as its factorization.

13234129971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411376660.

The product of its digits is 81648, while the sum is 42.

The spelling of 13234129971 in words is "thirteen billion, two hundred thirty-four million, one hundred twenty-nine thousand, nine hundred seventy-one".