38243358833 has 2 divisors, whose sum is σ = 38243358834. Its totient is φ = 38243358832.

The previous prime is 38243358781. The next prime is 38243358871. The reversal of 38243358833 is 33885334283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31501635169 + 6741723664 = 177487^2 + 82108^2 .

It is a cyclic number.

It is not a de Polignac number, because 38243358833 - 2⁸ = 38243358577 is a prime.

It is not a weakly prime, because it can be changed into another prime (38243348833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19121679416 + 19121679417.

It is an arithmetic number, because the mean of its divisors is an integer number (19121679417).

Almost surely, 2^38243358833 is an apocalyptic number.

It is an amenable number.

38243358833 is a deficient number, since it is larger than the sum of its proper divisors (1).

38243358833 is an equidigital number, since it uses as much as digits as its factorization.

38243358833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 50.

The spelling of 38243358833 in words is "thirty-eight billion, two hundred forty-three million, three hundred fifty-eight thousand, eight hundred thirty-three".