2136560342197 has 2 divisors, whose sum is σ = 2136560342198. Its totient is φ = 2136560342196.

The previous prime is 2136560342167. The next prime is 2136560342237. The reversal of 2136560342197 is 7912430656312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2002227830001 + 134332512196 = 1415001^2 + 366514^2 .

It is a cyclic number.

It is not a de Polignac number, because 2136560342197 - 2¹¹ = 2136560340149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2136560342197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2136560342167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068280171098 + 1068280171099.

It is an arithmetic number, because the mean of its divisors is an integer number (1068280171099).

Almost surely, 2^{2136560342197} is an apocalyptic number.

It is an amenable number.

2136560342197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2136560342197 is an equidigital number, since it uses as much as digits as its factorization.

2136560342197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 2136560342197 in words is "two trillion, one hundred thirty-six billion, five hundred sixty million, three hundred forty-two thousand, one hundred ninety-seven".