64460336663 has 2 divisors, whose sum is σ = 64460336664. Its totient is φ = 64460336662.

The previous prime is 64460336627. The next prime is 64460336723. The reversal of 64460336663 is 36663306446.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64460336663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64460336623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32230168331 + 32230168332.

It is an arithmetic number, because the mean of its divisors is an integer number (32230168332).

Almost surely, 2^64460336663 is an apocalyptic number.

64460336663 is a deficient number, since it is larger than the sum of its proper divisors (1).

64460336663 is an equidigital number, since it uses as much as digits as its factorization.

64460336663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 47.

The spelling of 64460336663 in words is "sixty-four billion, four hundred sixty million, three hundred thirty-six thousand, six hundred sixty-three".