64650763 has 2 divisors, whose sum is σ = 64650764. Its totient is φ = 64650762.

The previous prime is 64650739. The next prime is 64650767. The reversal of 64650763 is 36705646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64650763 - 2²¹ = 62553611 is a prime.

It is not a weakly prime, because it can be changed into another prime (64650767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32325381 + 32325382.

It is an arithmetic number, because the mean of its divisors is an integer number (32325382).

Almost surely, 2^64650763 is an apocalyptic number.

64650763 is a deficient number, since it is larger than the sum of its proper divisors (1).

64650763 is an equidigital number, since it uses as much as digits as its factorization.

64650763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 64650763 is about 8040.5698181161. The cubic root of 64650763 is about 401.3511868460.

The spelling of 64650763 in words is "sixty-four million, six hundred fifty thousand, seven hundred sixty-three".