13535541197 has 2 divisors, whose sum is σ = 13535541198. Its totient is φ = 13535541196.

The previous prime is 13535541181. The next prime is 13535541221. The reversal of 13535541197 is 79114553531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9768159556 + 3767381641 = 98834^2 + 61379^2 .

It is a cyclic number.

It is not a de Polignac number, because 13535541197 - 2⁴ = 13535541181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13535541127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767770598 + 6767770599.

It is an arithmetic number, because the mean of its divisors is an integer number (6767770599).

Almost surely, 2^13535541197 is an apocalyptic number.

It is an amenable number.

13535541197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13535541197 is an equidigital number, since it uses as much as digits as its factorization.

13535541197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 283500, while the sum is 44.

The spelling of 13535541197 in words is "thirteen billion, five hundred thirty-five million, five hundred forty-one thousand, one hundred ninety-seven".