233911988413 has 2 divisors, whose sum is σ = 233911988414. Its totient is φ = 233911988412.

The previous prime is 233911988389. The next prime is 233911988447. The reversal of 233911988413 is 314889119332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154101783364 + 79810205049 = 392558^2 + 282507^2 .

It is a cyclic number.

It is not a de Polignac number, because 233911988413 - 2²⁵ = 233878433981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233911988213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116955994206 + 116955994207.

It is an arithmetic number, because the mean of its divisors is an integer number (116955994207).

Almost surely, 2^233911988413 is an apocalyptic number.

It is an amenable number.

233911988413 is a deficient number, since it is larger than the sum of its proper divisors (1).

233911988413 is an equidigital number, since it uses as much as digits as its factorization.

233911988413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The spelling of 233911988413 in words is "two hundred thirty-three billion, nine hundred eleven million, nine hundred eighty-eight thousand, four hundred thirteen".