64650378702059 has 2 divisors, whose sum is σ = 64650378702060. Its totient is φ = 64650378702058.

The previous prime is 64650378701981. The next prime is 64650378702067. The reversal of 64650378702059 is 95020787305646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64650378702059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64650378701992 and 64650378702010.

It is not a weakly prime, because it can be changed into another prime (64650378702079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32325189351029 + 32325189351030.

It is an arithmetic number, because the mean of its divisors is an integer number (32325189351030).

Almost surely, 2^{64650378702059} is an apocalyptic number.

64650378702059 is a deficient number, since it is larger than the sum of its proper divisors (1).

64650378702059 is an equidigital number, since it uses as much as digits as its factorization.

64650378702059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76204800, while the sum is 62.

The spelling of 64650378702059 in words is "sixty-four trillion, six hundred fifty billion, three hundred seventy-eight million, seven hundred two thousand, fifty-nine".