65073939529 has 2 divisors, whose sum is σ = 65073939530. Its totient is φ = 65073939528.

The previous prime is 65073939457. The next prime is 65073939559. The reversal of 65073939529 is 92593937056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48153913600 + 16920025929 = 219440^2 + 130077^2 .

It is a cyclic number.

It is not a de Polignac number, because 65073939529 - 2²¹ = 65071842377 is a prime.

It is not a weakly prime, because it can be changed into another prime (65073939559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32536969764 + 32536969765.

It is an arithmetic number, because the mean of its divisors is an integer number (32536969765).

Almost surely, 2^65073939529 is an apocalyptic number.

It is an amenable number.

65073939529 is a deficient number, since it is larger than the sum of its proper divisors (1).

65073939529 is an equidigital number, since it uses as much as digits as its factorization.

65073939529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13778100, while the sum is 58.

The spelling of 65073939529 in words is "sixty-five billion, seventy-three million, nine hundred thirty-nine thousand, five hundred twenty-nine".