9243053021 has 4 divisors (see below), whose sum is σ = 9245655132. Its totient is φ = 9240450912.

The previous prime is 9243052981. The next prime is 9243053023. The reversal of 9243053021 is 1203503429.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6223000996 + 3020052025 = 78886^2 + 54955^2 .

It is a cyclic number.

It is not a de Polignac number, because 9243053021 - 2⁶ = 9243052957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9243053023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295720 + ... + 1302833.

It is an arithmetic number, because the mean of its divisors is an integer number (2311413783).

Almost surely, 2^9243053021 is an apocalyptic number.

It is an amenable number.

9243053021 is a deficient number, since it is larger than the sum of its proper divisors (2602111).

9243053021 is a wasteful number, since it uses less digits than its factorization.

9243053021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602110.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 9243053021 is about 96140.7979007872. The cubic root of 9243053021 is about 2098.6425861902.

The spelling of 9243053021 in words is "nine billion, two hundred forty-three million, fifty-three thousand, twenty-one".