4644666650047 has 2 divisors, whose sum is σ = 4644666650048. Its totient is φ = 4644666650046.

The previous prime is 4644666650033. The next prime is 4644666650111. The reversal of 4644666650047 is 7400566664464.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4644666650047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4644666649973 and 4644666650000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4644666650017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322333325023 + 2322333325024.

It is an arithmetic number, because the mean of its divisors is an integer number (2322333325024).

Almost surely, 2^{4644666650047} is an apocalyptic number.

4644666650047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644666650047 is an equidigital number, since it uses as much as digits as its factorization.

4644666650047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69672960, while the sum is 58.

The spelling of 4644666650047 in words is "four trillion, six hundred forty-four billion, six hundred sixty-six million, six hundred fifty thousand, forty-seven".