233469135689 has 2 divisors, whose sum is σ = 233469135690. Its totient is φ = 233469135688.

The previous prime is 233469135667. The next prime is 233469135709. The reversal of 233469135689 is 986531964332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192955497289 + 40513638400 = 439267^2 + 201280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233469135689 is a prime.

It is a super-3 number, since 3×233469135689³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (233469135629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116734567844 + 116734567845.

It is an arithmetic number, because the mean of its divisors is an integer number (116734567845).

Almost surely, 2^233469135689 is an apocalyptic number.

It is an amenable number.

233469135689 is a deficient number, since it is larger than the sum of its proper divisors (1).

233469135689 is an equidigital number, since it uses as much as digits as its factorization.

233469135689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25194240, while the sum is 59.

The spelling of 233469135689 in words is "two hundred thirty-three billion, four hundred sixty-nine million, one hundred thirty-five thousand, six hundred eighty-nine".