233668226689 has 4 divisors (see below), whose sum is σ = 235101774256. Its totient is φ = 232234679124.

The previous prime is 233668226663. The next prime is 233668226713. The reversal of 233668226689 is 986622866332.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 233668226689 - 2²⁹ = 233131355777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233668226609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716773539 + ... + 716773864.

It is an arithmetic number, because the mean of its divisors is an integer number (58775443564).

Almost surely, 2^233668226689 is an apocalyptic number.

It is an amenable number.

233668226689 is a deficient number, since it is larger than the sum of its proper divisors (1433547567).

233668226689 is a wasteful number, since it uses less digits than its factorization.

233668226689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433547566.

The product of its digits is 53747712, while the sum is 61.

The spelling of 233668226689 in words is "two hundred thirty-three billion, six hundred sixty-eight million, two hundred twenty-six thousand, six hundred eighty-nine".