64753464773 has 2 divisors, whose sum is σ = 64753464774. Its totient is φ = 64753464772.

The previous prime is 64753464703. The next prime is 64753464779. The reversal of 64753464773 is 37746435746.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40522495204 + 24230969569 = 201302^2 + 155663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64753464773 is a prime.

It is a super-2 number, since 2×64753464773² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64753464779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32376732386 + 32376732387.

It is an arithmetic number, because the mean of its divisors is an integer number (32376732387).

Almost surely, 2^64753464773 is an apocalyptic number.

It is an amenable number.

64753464773 is a deficient number, since it is larger than the sum of its proper divisors (1).

64753464773 is an equidigital number, since it uses as much as digits as its factorization.

64753464773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 56.

The spelling of 64753464773 in words is "sixty-four billion, seven hundred fifty-three million, four hundred sixty-four thousand, seven hundred seventy-three".