9999998233 has 2 divisors, whose sum is σ = 9999998234. Its totient is φ = 9999998232.

The previous prime is 9999998231. The next prime is 9999998237. The reversal of 9999998233 is 3328999999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5531343129 + 4468655104 = 74373^2 + 66848^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999998233 - 2¹ = 9999998231 is a prime.

Together with 9999998231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9999998231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999999116 + 4999999117.

It is an arithmetic number, because the mean of its divisors is an integer number (4999999117).

Almost surely, 2^9999998233 is an apocalyptic number.

It is an amenable number.

9999998233 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999998233 is an equidigital number, since it uses as much as digits as its factorization.

9999998233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76527504, while the sum is 70.

The square root of 9999998233 is about 99999.9911649996. The cubic root of 9999998233 is about 2154.4345631357.

The spelling of 9999998233 in words is "nine billion, nine hundred ninety-nine million, nine hundred ninety-eight thousand, two hundred thirty-three".