13291027601 has 4 divisors (see below), whose sum is σ = 14072852772. Its totient is φ = 12509202432.

The previous prime is 13291027571. The next prime is 13291027627. The reversal of 13291027601 is 10672019231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10672019231 = 2861 ⋅3730171.

It can be written as a sum of positive squares in 2 ways, for example, as 12306574225 + 984453376 = 110935^2 + 31376^2 .

It is a cyclic number.

It is not a de Polignac number, because 13291027601 - 2⁶ = 13291027537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13291027201) 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, 390912560 + ... + 390912593.

It is an arithmetic number, because the mean of its divisors is an integer number (3518213193).

Almost surely, 2^13291027601 is an apocalyptic number.

It is an amenable number.

13291027601 is a deficient number, since it is larger than the sum of its proper divisors (781825171).

13291027601 is an equidigital number, since it uses as much as digits as its factorization.

13291027601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781825170.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 13291027601 in words is "thirteen billion, two hundred ninety-one million, twenty-seven thousand, six hundred one".