5643994034401 has 2 divisors, whose sum is σ = 5643994034402. Its totient is φ = 5643994034400.

The previous prime is 5643994034389. The next prime is 5643994034477. The reversal of 5643994034401 is 1044304993465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5589209950801 + 54784083600 = 2364151^2 + 234060^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643994034401 - 2⁹ = 5643994033889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5643994034201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821997017200 + 2821997017201.

It is an arithmetic number, because the mean of its divisors is an integer number (2821997017201).

Almost surely, 2^{5643994034401} is an apocalyptic number.

It is an amenable number.

5643994034401 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643994034401 is an equidigital number, since it uses as much as digits as its factorization.

5643994034401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 5643994034401 in words is "five trillion, six hundred forty-three billion, nine hundred ninety-four million, thirty-four thousand, four hundred one".