9965764258739 has 2 divisors, whose sum is σ = 9965764258740. Its totient is φ = 9965764258738.

The previous prime is 9965764258733. The next prime is 9965764258759. The reversal of 9965764258739 is 9378524675699.

It is a happy number.

9965764258739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9965764258739 - 2²⁴ = 9965747481523 is a prime.

It is not a weakly prime, because it can be changed into another prime (9965764258733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982882129369 + 4982882129370.

It is an arithmetic number, because the mean of its divisors is an integer number (4982882129370).

Almost surely, 2^{9965764258739} is an apocalyptic number.

9965764258739 is a deficient number, since it is larger than the sum of its proper divisors (1).

9965764258739 is an equidigital number, since it uses as much as digits as its factorization.

9965764258739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6172588800, while the sum is 80.

The spelling of 9965764258739 in words is "nine trillion, nine hundred sixty-five billion, seven hundred sixty-four million, two hundred fifty-eight thousand, seven hundred thirty-nine".