3558396441601 has 2 divisors, whose sum is σ = 3558396441602. Its totient is φ = 3558396441600.

The previous prime is 3558396441599. The next prime is 3558396441653. The reversal of 3558396441601 is 1061446938553.

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., 3094165432576 + 464231009025 = 1759024^2 + 681345^2 .

It is a cyclic number.

It is not a de Polignac number, because 3558396441601 - 2¹ = 3558396441599 is a prime.

Together with 3558396441599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3558396441671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1779198220800 + 1779198220801.

It is an arithmetic number, because the mean of its divisors is an integer number (1779198220801).

Almost surely, 2^{3558396441601} is an apocalyptic number.

It is an amenable number.

3558396441601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3558396441601 is an equidigital number, since it uses as much as digits as its factorization.

3558396441601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 3558396441601 in words is "three trillion, five hundred fifty-eight billion, three hundred ninety-six million, four hundred forty-one thousand, six hundred one".