65943119213 has 2 divisors, whose sum is σ = 65943119214. Its totient is φ = 65943119212.

The previous prime is 65943119189. The next prime is 65943119219. The reversal of 65943119213 is 31291134956.

65943119213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56073292804 + 9869826409 = 236798^2 + 99347^2 .

It is a cyclic number.

It is not a de Polignac number, because 65943119213 - 2¹⁸ = 65942857069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65943119219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32971559606 + 32971559607.

It is an arithmetic number, because the mean of its divisors is an integer number (32971559607).

Almost surely, 2^65943119213 is an apocalyptic number.

It is an amenable number.

65943119213 is a deficient number, since it is larger than the sum of its proper divisors (1).

65943119213 is an equidigital number, since it uses as much as digits as its factorization.

65943119213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 44.

The spelling of 65943119213 in words is "sixty-five billion, nine hundred forty-three million, one hundred nineteen thousand, two hundred thirteen".