13203602197 has 2 divisors, whose sum is σ = 13203602198. Its totient is φ = 13203602196.

The previous prime is 13203602149. The next prime is 13203602207. The reversal of 13203602197 is 79120630231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12707827441 + 495774756 = 112729^2 + 22266^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203602197 - 2¹¹ = 13203600149 is a prime.

It is a super-2 number, since 2×13203602197² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13203602147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601801098 + 6601801099.

It is an arithmetic number, because the mean of its divisors is an integer number (6601801099).

Almost surely, 2^13203602197 is an apocalyptic number.

It is an amenable number.

13203602197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203602197 is an equidigital number, since it uses as much as digits as its factorization.

13203602197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 13203602197 in words is "thirteen billion, two hundred three million, six hundred two thousand, one hundred ninety-seven".