65061072673 has 2 divisors, whose sum is σ = 65061072674. Its totient is φ = 65061072672.

The previous prime is 65061072613. The next prime is 65061072701. The reversal of 65061072673 is 37627016056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49423069969 + 15638002704 = 222313^2 + 125052^2 .

It is a cyclic number.

It is not a de Polignac number, because 65061072673 - 2¹⁷ = 65060941601 is a prime.

It is a super-2 number, since 2×65061072673² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65061072613) 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, 32530536336 + 32530536337.

It is an arithmetic number, because the mean of its divisors is an integer number (32530536337).

Almost surely, 2^65061072673 is an apocalyptic number.

It is an amenable number.

65061072673 is a deficient number, since it is larger than the sum of its proper divisors (1).

65061072673 is an equidigital number, since it uses as much as digits as its factorization.

65061072673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 65061072673 in words is "sixty-five billion, sixty-one million, seventy-two thousand, six hundred seventy-three".