64717764703 has 2 divisors, whose sum is σ = 64717764704. Its totient is φ = 64717764702.

The previous prime is 64717764697. The next prime is 64717764719. The reversal of 64717764703 is 30746771746.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64717764703 - 2¹³ = 64717756511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64717764403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32358882351 + 32358882352.

It is an arithmetic number, because the mean of its divisors is an integer number (32358882352).

Almost surely, 2^64717764703 is an apocalyptic number.

64717764703 is a deficient number, since it is larger than the sum of its proper divisors (1).

64717764703 is an equidigital number, since it uses as much as digits as its factorization.

64717764703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4148928, while the sum is 52.

The spelling of 64717764703 in words is "sixty-four billion, seven hundred seventeen million, seven hundred sixty-four thousand, seven hundred three".