4294564986643 has 2 divisors, whose sum is σ = 4294564986644. Its totient is φ = 4294564986642.

The previous prime is 4294564986563. The next prime is 4294564986671. The reversal of 4294564986643 is 3466894654924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4294564986643 - 2¹⁷ = 4294564855571 is a prime.

It is not a weakly prime, because it can be changed into another prime (4294564986683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2147282493321 + 2147282493322.

It is an arithmetic number, because the mean of its divisors is an integer number (2147282493322).

Almost surely, 2^{4294564986643} is an apocalyptic number.

4294564986643 is a deficient number, since it is larger than the sum of its proper divisors (1).

4294564986643 is an equidigital number, since it uses as much as digits as its factorization.

4294564986643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1074954240, while the sum is 70.

The spelling of 4294564986643 in words is "four trillion, two hundred ninety-four billion, five hundred sixty-four million, nine hundred eighty-six thousand, six hundred forty-three".