9040188233 has 2 divisors, whose sum is σ = 9040188234. Its totient is φ = 9040188232.

The previous prime is 9040188197. The next prime is 9040188251. The reversal of 9040188233 is 3328810409.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8943106624 + 97081609 = 94568^2 + 9853^2 .

It is a cyclic number.

It is not a de Polignac number, because 9040188233 - 2¹⁰ = 9040187209 is a prime.

It is not a weakly prime, because it can be changed into another prime (9040188293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4520094116 + 4520094117.

It is an arithmetic number, because the mean of its divisors is an integer number (4520094117).

Almost surely, 2^9040188233 is an apocalyptic number.

It is an amenable number.

9040188233 is a deficient number, since it is larger than the sum of its proper divisors (1).

9040188233 is an equidigital number, since it uses as much as digits as its factorization.

9040188233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 9040188233 is about 95079.9044646133. The cubic root of 9040188233 is about 2083.1753332009.

The spelling of 9040188233 in words is "nine billion, forty million, one hundred eighty-eight thousand, two hundred thirty-three".