13542205097 has 2 divisors, whose sum is σ = 13542205098. Its totient is φ = 13542205096.

The previous prime is 13542205069. The next prime is 13542205123. The reversal of 13542205097 is 79050224531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13423307881 + 118897216 = 115859^2 + 10904^2 .

It is a cyclic number.

It is not a de Polignac number, because 13542205097 - 2²⁰ = 13541156521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13542205097.

It is not a weakly prime, because it can be changed into another prime (13542205007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771102548 + 6771102549.

It is an arithmetic number, because the mean of its divisors is an integer number (6771102549).

Almost surely, 2^13542205097 is an apocalyptic number.

It is an amenable number.

13542205097 is a deficient number, since it is larger than the sum of its proper divisors (1).

13542205097 is an equidigital number, since it uses as much as digits as its factorization.

13542205097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 13542205097 in words is "thirteen billion, five hundred forty-two million, two hundred five thousand, ninety-seven".