65114251009 has 2 divisors, whose sum is σ = 65114251010. Its totient is φ = 65114251008.

The previous prime is 65114250997. The next prime is 65114251049. The reversal of 65114251009 is 90015241156.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57673463409 + 7440787600 = 240153^2 + 86260^2 .

It is a cyclic number.

It is not a de Polignac number, because 65114251009 - 2¹¹ = 65114248961 is a prime.

It is not a weakly prime, because it can be changed into another prime (65114251049) 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, 32557125504 + 32557125505.

It is an arithmetic number, because the mean of its divisors is an integer number (32557125505).

Almost surely, 2^65114251009 is an apocalyptic number.

It is an amenable number.

65114251009 is a deficient number, since it is larger than the sum of its proper divisors (1).

65114251009 is an equidigital number, since it uses as much as digits as its factorization.

65114251009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 65114251009 in words is "sixty-five billion, one hundred fourteen million, two hundred fifty-one thousand, nine".