233285045809 has 2 divisors, whose sum is σ = 233285045810. Its totient is φ = 233285045808.

The previous prime is 233285045797. The next prime is 233285045827. The reversal of 233285045809 is 908540582332.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232833270784 + 451775025 = 482528^2 + 21255^2 .

It is a cyclic number.

It is not a de Polignac number, because 233285045809 - 2⁹ = 233285045297 is a prime.

It is not a weakly prime, because it can be changed into another prime (233285045839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116642522904 + 116642522905.

It is an arithmetic number, because the mean of its divisors is an integer number (116642522905).

Almost surely, 2^233285045809 is an apocalyptic number.

It is an amenable number.

233285045809 is a deficient number, since it is larger than the sum of its proper divisors (1).

233285045809 is an equidigital number, since it uses as much as digits as its factorization.

233285045809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 233285045809 in words is "two hundred thirty-three billion, two hundred eighty-five million, forty-five thousand, eight hundred nine".