234396566993 has 2 divisors, whose sum is σ = 234396566994. Its totient is φ = 234396566992.

The previous prime is 234396566981. The next prime is 234396567059. The reversal of 234396566993 is 399665693432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131350430929 + 103046136064 = 362423^2 + 321008^2 .

It is a cyclic number.

It is not a de Polignac number, because 234396566993 - 2⁴ = 234396566977 is a prime.

It is not a weakly prime, because it can be changed into another prime (234396566093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117198283496 + 117198283497.

It is an arithmetic number, because the mean of its divisors is an integer number (117198283497).

Almost surely, 2^234396566993 is an apocalyptic number.

It is an amenable number.

234396566993 is a deficient number, since it is larger than the sum of its proper divisors (1).

234396566993 is an equidigital number, since it uses as much as digits as its factorization.

234396566993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170061120, while the sum is 65.

The spelling of 234396566993 in words is "two hundred thirty-four billion, three hundred ninety-six million, five hundred sixty-six thousand, nine hundred ninety-three".