9208321013 has 2 divisors, whose sum is σ = 9208321014. Its totient is φ = 9208321012.

The previous prime is 9208320973. The next prime is 9208321027. The reversal of 9208321013 is 3101238029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7677790129 + 1530530884 = 87623^2 + 39122^2 .

It is an emirp because it is prime and its reverse (3101238029) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9208321013 - 2⁸ = 9208320757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9208321093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4604160506 + 4604160507.

It is an arithmetic number, because the mean of its divisors is an integer number (4604160507).

Almost surely, 2^9208321013 is an apocalyptic number.

It is an amenable number.

9208321013 is a deficient number, since it is larger than the sum of its proper divisors (1).

9208321013 is an equidigital number, since it uses as much as digits as its factorization.

9208321013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9208321013 is about 95959.9969414339. The cubic root of 9208321013 is about 2096.0106434017.

The spelling of 9208321013 in words is "nine billion, two hundred eight million, three hundred twenty-one thousand, thirteen".