233668226609 has 2 divisors, whose sum is σ = 233668226610. Its totient is φ = 233668226608.

The previous prime is 233668226591. The next prime is 233668226621. The reversal of 233668226609 is 906622866332.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192440142400 + 41228084209 = 438680^2 + 203047^2 .

It is a cyclic number.

It is not a de Polignac number, because 233668226609 - 2³⁶ = 164948749873 is a prime.

It is not a weakly prime, because it can be changed into another prime (233668226629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116834113304 + 116834113305.

It is an arithmetic number, because the mean of its divisors is an integer number (116834113305).

Almost surely, 2^233668226609 is an apocalyptic number.

It is an amenable number.

233668226609 is a deficient number, since it is larger than the sum of its proper divisors (1).

233668226609 is an equidigital number, since it uses as much as digits as its factorization.

233668226609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6718464, while the sum is 53.

The spelling of 233668226609 in words is "two hundred thirty-three billion, six hundred sixty-eight million, two hundred twenty-six thousand, six hundred nine".