13172197061 has 2 divisors, whose sum is σ = 13172197062. Its totient is φ = 13172197060.

The previous prime is 13172197033. The next prime is 13172197109. The reversal of 13172197061 is 16079127131.

13172197061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12943612900 + 228584161 = 113770^2 + 15119^2 .

It is a cyclic number.

It is not a de Polignac number, because 13172197061 - 2¹⁴ = 13172180677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13172197001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6586098530 + 6586098531.

It is an arithmetic number, because the mean of its divisors is an integer number (6586098531).

Almost surely, 2^13172197061 is an apocalyptic number.

It is an amenable number.

13172197061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13172197061 is an equidigital number, since it uses as much as digits as its factorization.

13172197061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 38.

The spelling of 13172197061 in words is "thirteen billion, one hundred seventy-two million, one hundred ninety-seven thousand, sixty-one".