403324344452461 has 2 divisors, whose sum is σ = 403324344452462. Its totient is φ = 403324344452460.

The previous prime is 403324344452423. The next prime is 403324344452551. The reversal of 403324344452461 is 164254443423304.

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., 327122024845225 + 76202319607236 = 18086515^2 + 8729394^2 .

It is a cyclic number.

It is not a de Polignac number, because 403324344452461 - 2⁹ = 403324344451949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403324344452261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201662172226230 + 201662172226231.

It is an arithmetic number, because the mean of its divisors is an integer number (201662172226231).

Almost surely, 2^{403324344452461} is an apocalyptic number.

It is an amenable number.

403324344452461 is a deficient number, since it is larger than the sum of its proper divisors (1).

403324344452461 is an equidigital number, since it uses as much as digits as its factorization.

403324344452461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 49.

Adding to 403324344452461 its reverse (164254443423304), we get a palindrome (567578787875765).

The spelling of 403324344452461 in words is "four hundred three trillion, three hundred twenty-four billion, three hundred forty-four million, four hundred fifty-two thousand, four hundred sixty-one".