65739163613 has 2 divisors, whose sum is σ = 65739163614. Its totient is φ = 65739163612.

The previous prime is 65739163583. The next prime is 65739163631. The reversal of 65739163613 is 31636193756.

Together with next prime (65739163631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41009085049 + 24730078564 = 202507^2 + 157258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65739163613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65739163643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32869581806 + 32869581807.

It is an arithmetic number, because the mean of its divisors is an integer number (32869581807).

Almost surely, 2^65739163613 is an apocalyptic number.

It is an amenable number.

65739163613 is a deficient number, since it is larger than the sum of its proper divisors (1).

65739163613 is an equidigital number, since it uses as much as digits as its factorization.

65739163613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837080, while the sum is 50.

The spelling of 65739163613 in words is "sixty-five billion, seven hundred thirty-nine million, one hundred sixty-three thousand, six hundred thirteen".