65943119393 has 2 divisors, whose sum is σ = 65943119394. Its totient is φ = 65943119392.

The previous prime is 65943119383. The next prime is 65943119467. The reversal of 65943119393 is 39391134956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64955148769 + 987970624 = 254863^2 + 31432^2 .

It is a cyclic number.

It is not a de Polignac number, because 65943119393 - 2¹⁶ = 65943053857 is a prime.

It is not a weakly prime, because it can be changed into another prime (65943119303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32971559696 + 32971559697.

It is an arithmetic number, because the mean of its divisors is an integer number (32971559697).

Almost surely, 2^65943119393 is an apocalyptic number.

It is an amenable number.

65943119393 is a deficient number, since it is larger than the sum of its proper divisors (1).

65943119393 is an equidigital number, since it uses as much as digits as its factorization.

65943119393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2361960, while the sum is 53.

The spelling of 65943119393 in words is "sixty-five billion, nine hundred forty-three million, one hundred nineteen thousand, three hundred ninety-three".