9213641293 has 2 divisors, whose sum is σ = 9213641294. Its totient is φ = 9213641292.

The previous prime is 9213641257. The next prime is 9213641303. The reversal of 9213641293 is 3921463129.

9213641293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6618961449 + 2594679844 = 81357^2 + 50938^2 .

It is a cyclic number.

It is not a de Polignac number, because 9213641293 - 2²⁹ = 8676770381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9213645293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4606820646 + 4606820647.

It is an arithmetic number, because the mean of its divisors is an integer number (4606820647).

Almost surely, 2^9213641293 is an apocalyptic number.

It is an amenable number.

9213641293 is a deficient number, since it is larger than the sum of its proper divisors (1).

9213641293 is an equidigital number, since it uses as much as digits as its factorization.

9213641293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 9213641293 is about 95987.7142815683. The cubic root of 9213641293 is about 2096.4142354913.

The spelling of 9213641293 in words is "nine billion, two hundred thirteen million, six hundred forty-one thousand, two hundred ninety-three".