4463456642641 has 2 divisors, whose sum is σ = 4463456642642. Its totient is φ = 4463456642640.

The previous prime is 4463456642629. The next prime is 4463456642833. The reversal of 4463456642641 is 1462466543644.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3223120043025 + 1240336599616 = 1795305^2 + 1113704^2 .

It is a cyclic number.

It is not a de Polignac number, because 4463456642641 - 2¹⁹ = 4463456118353 is a prime.

It is not a weakly prime, because it can be changed into another prime (4463456646641) 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, 2231728321320 + 2231728321321.

It is an arithmetic number, because the mean of its divisors is an integer number (2231728321321).

Almost surely, 2^{4463456642641} is an apocalyptic number.

It is an amenable number.

4463456642641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4463456642641 is an equidigital number, since it uses as much as digits as its factorization.

4463456642641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39813120, while the sum is 55.

The spelling of 4463456642641 in words is "four trillion, four hundred sixty-three billion, four hundred fifty-six million, six hundred forty-two thousand, six hundred forty-one".