9564134213 has 2 divisors, whose sum is σ = 9564134214. Its totient is φ = 9564134212.

The previous prime is 9564134207. The next prime is 9564134221. The reversal of 9564134213 is 3124314659.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4944621124 + 4619513089 = 70318^2 + 67967^2 .

It is a cyclic number.

It is not a de Polignac number, because 9564134213 - 2⁴ = 9564134197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9564134273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4782067106 + 4782067107.

It is an arithmetic number, because the mean of its divisors is an integer number (4782067107).

Almost surely, 2^9564134213 is an apocalyptic number.

It is an amenable number.

9564134213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9564134213 is an equidigital number, since it uses as much as digits as its factorization.

9564134213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 9564134213 is about 97796.3916154374. The cubic root of 9564134213 is about 2122.6670933374.

The spelling of 9564134213 in words is "nine billion, five hundred sixty-four million, one hundred thirty-four thousand, two hundred thirteen".