13534213117 has 2 divisors, whose sum is σ = 13534213118. Its totient is φ = 13534213116.

The previous prime is 13534213073. The next prime is 13534213123. The reversal of 13534213117 is 71131243531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8908716996 + 4625496121 = 94386^2 + 68011^2 .

It is a cyclic number.

It is not a de Polignac number, because 13534213117 - 2²³ = 13525824509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13534213157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767106558 + 6767106559.

It is an arithmetic number, because the mean of its divisors is an integer number (6767106559).

Almost surely, 2^13534213117 is an apocalyptic number.

It is an amenable number.

13534213117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13534213117 is an equidigital number, since it uses as much as digits as its factorization.

13534213117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

Adding to 13534213117 its reverse (71131243531), we get a palindrome (84665456648).

The spelling of 13534213117 in words is "thirteen billion, five hundred thirty-four million, two hundred thirteen thousand, one hundred seventeen".