13173617091 has 8 divisors (see below), whose sum is σ = 17567628624. Its totient is φ = 8781008480.

The previous prime is 13173617087. The next prime is 13173617099. The reversal of 13173617091 is 19071637131.

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 13173617091 - 2² = 13173617087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13173617099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328620 + ... + 366521.

It is an arithmetic number, because the mean of its divisors is an integer number (2195953578).

Almost surely, 2^13173617091 is an apocalyptic number.

13173617091 is a deficient number, since it is larger than the sum of its proper divisors (4394011533).

13173617091 is an equidigital number, since it uses as much as digits as its factorization.

13173617091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701461.

The product of its (nonzero) digits is 23814, while the sum is 39.

The spelling of 13173617091 in words is "thirteen billion, one hundred seventy-three million, six hundred seventeen thousand, ninety-one".