403043442401 has 2 divisors, whose sum is σ = 403043442402. Its totient is φ = 403043442400.

The previous prime is 403043442391. The next prime is 403043442419. The reversal of 403043442401 is 104244340304.

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., 398230413025 + 4813029376 = 631055^2 + 69376^2 .

It is a cyclic number.

It is not a de Polignac number, because 403043442401 - 2⁶ = 403043442337 is a prime.

It is not a weakly prime, because it can be changed into another prime (403043442491) 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, 201521721200 + 201521721201.

It is an arithmetic number, because the mean of its divisors is an integer number (201521721201).

Almost surely, 2^403043442401 is an apocalyptic number.

It is an amenable number.

403043442401 is a deficient number, since it is larger than the sum of its proper divisors (1).

403043442401 is an equidigital number, since it uses as much as digits as its factorization.

403043442401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 403043442401 its reverse (104244340304), we get a palindrome (507287782705).

The spelling of 403043442401 in words is "four hundred three billion, forty-three million, four hundred forty-two thousand, four hundred one".