9344030021 has 2 divisors, whose sum is σ = 9344030022. Its totient is φ = 9344030020.

The previous prime is 9344029997. The next prime is 9344030029. The reversal of 9344030021 is 1200304439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8304676900 + 1039353121 = 91130^2 + 32239^2 .

It is an emirp because it is prime and its reverse (1200304439) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9344030021 - 2¹⁰ = 9344028997 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9344030029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4672015010 + 4672015011.

It is an arithmetic number, because the mean of its divisors is an integer number (4672015011).

Almost surely, 2^9344030021 is an apocalyptic number.

It is an amenable number.

9344030021 is a deficient number, since it is larger than the sum of its proper divisors (1).

9344030021 is an equidigital number, since it uses as much as digits as its factorization.

9344030021 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 26.

The square root of 9344030021 is about 96664.5230733592. The cubic root of 9344030021 is about 2106.2572269697.

The spelling of 9344030021 in words is "nine billion, three hundred forty-four million, thirty thousand, twenty-one".