65114251049 has 2 divisors, whose sum is σ = 65114251050. Its totient is φ = 65114251048.

The previous prime is 65114251009. The next prime is 65114251061. The reversal of 65114251049 is 94015241156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44874067225 + 20240183824 = 211835^2 + 142268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65114251049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (65114251009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32557125524 + 32557125525.

It is an arithmetic number, because the mean of its divisors is an integer number (32557125525).

Almost surely, 2^65114251049 is an apocalyptic number.

It is an amenable number.

65114251049 is a deficient number, since it is larger than the sum of its proper divisors (1).

65114251049 is an equidigital number, since it uses as much as digits as its factorization.

65114251049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 65114251049 in words is "sixty-five billion, one hundred fourteen million, two hundred fifty-one thousand, forty-nine".