13172544769 has 8 divisors (see below), whose sum is σ = 13750248960. Its totient is φ = 12604389600.

The previous prime is 13172544761. The next prime is 13172544779. The reversal of 13172544769 is 96744527131.

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

It is a cyclic number.

It is not a de Polignac number, because 13172544769 - 2³ = 13172544761 is a prime.

It is a super-2 number, since 2×13172544769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13172544761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2384437 + ... + 2389954.

It is an arithmetic number, because the mean of its divisors is an integer number (1718781120).

Almost surely, 2^13172544769 is an apocalyptic number.

It is an amenable number.

13172544769 is a deficient number, since it is larger than the sum of its proper divisors (577704191).

13172544769 is an equidigital number, since it uses as much as digits as its factorization.

13172544769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774511.

The product of its digits is 1270080, while the sum is 49.

The spelling of 13172544769 in words is "thirteen billion, one hundred seventy-two million, five hundred forty-four thousand, seven hundred sixty-nine".