13249172429 has 8 divisors (see below), whose sum is σ = 13678667520. Its totient is φ = 12819808800.

The previous prime is 13249172423. The next prime is 13249172437. The reversal of 13249172429 is 92427194231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13249172429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13249172429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249172423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197762 + ... + 256140.

It is an arithmetic number, because the mean of its divisors is an integer number (1709833440).

Almost surely, 2^13249172429 is an apocalyptic number.

It is an amenable number.

13249172429 is a deficient number, since it is larger than the sum of its proper divisors (429495091).

13249172429 is an equidigital number, since it uses as much as digits as its factorization.

13249172429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65731.

The product of its digits is 217728, while the sum is 44.

The spelling of 13249172429 in words is "thirteen billion, two hundred forty-nine million, one hundred seventy-two thousand, four hundred twenty-nine".