65752545913 has 2 divisors, whose sum is σ = 65752545914. Its totient is φ = 65752545912.

The previous prime is 65752545907. The next prime is 65752545931. The reversal of 65752545913 is 31954525756.

Together with next prime (65752545931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64207505664 + 1545040249 = 253392^2 + 39307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65752545913 is a prime.

It is not a weakly prime, because it can be changed into another prime (65752545983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32876272956 + 32876272957.

It is an arithmetic number, because the mean of its divisors is an integer number (32876272957).

Almost surely, 2^65752545913 is an apocalyptic number.

It is an amenable number.

65752545913 is a deficient number, since it is larger than the sum of its proper divisors (1).

65752545913 is an equidigital number, since it uses as much as digits as its factorization.

65752545913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670000, while the sum is 52.

The spelling of 65752545913 in words is "sixty-five billion, seven hundred fifty-two million, five hundred forty-five thousand, nine hundred thirteen".