8233457993 has 2 divisors, whose sum is σ = 8233457994. Its totient is φ = 8233457992.

The previous prime is 8233457983. The next prime is 8233458007. The reversal of 8233457993 is 3997543328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7958959369 + 274498624 = 89213^2 + 16568^2 .

It is a cyclic number.

It is not a de Polignac number, because 8233457993 - 2¹⁰ = 8233456969 is a prime.

It is not a weakly prime, because it can be changed into another prime (8233457923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4116728996 + 4116728997.

It is an arithmetic number, because the mean of its divisors is an integer number (4116728997).

Almost surely, 2^8233457993 is an apocalyptic number.

It is an amenable number.

8233457993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8233457993 is an equidigital number, since it uses as much as digits as its factorization.

8233457993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 53.

The square root of 8233457993 is about 90738.4041792669. The cubic root of 8233457993 is about 2019.2685971632.

The spelling of 8233457993 in words is "eight billion, two hundred thirty-three million, four hundred fifty-seven thousand, nine hundred ninety-three".