13172889601 has 4 divisors (see below), whose sum is σ = 13866199600. Its totient is φ = 12479579604.

The previous prime is 13172889599. The next prime is 13172889607. The reversal of 13172889601 is 10698827131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13172889601 - 2¹ = 13172889599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13172889607) 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 3 ways as a sum of consecutive naturals, for example, 346654971 + ... + 346655008.

It is an arithmetic number, because the mean of its divisors is an integer number (3466549900).

Almost surely, 2^13172889601 is an apocalyptic number.

It is an amenable number.

13172889601 is a deficient number, since it is larger than the sum of its proper divisors (693309999).

13172889601 is an equidigital number, since it uses as much as digits as its factorization.

13172889601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693309998.

The product of its (nonzero) digits is 145152, while the sum is 46.

The spelling of 13172889601 in words is "thirteen billion, one hundred seventy-two million, eight hundred eighty-nine thousand, six hundred one".