64763836741 has 2 divisors, whose sum is σ = 64763836742. Its totient is φ = 64763836740.

The previous prime is 64763836727. The next prime is 64763836759. The reversal of 64763836741 is 14763836746.

64763836741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41583774241 + 23180062500 = 203921^2 + 152250^2 .

It is a cyclic number.

It is not a de Polignac number, because 64763836741 - 2⁹ = 64763836229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64763336741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32381918370 + 32381918371.

It is an arithmetic number, because the mean of its divisors is an integer number (32381918371).

Almost surely, 2^64763836741 is an apocalyptic number.

It is an amenable number.

64763836741 is a deficient number, since it is larger than the sum of its proper divisors (1).

64763836741 is an equidigital number, since it uses as much as digits as its factorization.

64763836741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 55.

The spelling of 64763836741 in words is "sixty-four billion, seven hundred sixty-three million, eight hundred thirty-six thousand, seven hundred forty-one".