8442504401 has 2 divisors, whose sum is σ = 8442504402. Its totient is φ = 8442504400.

The previous prime is 8442504397. The next prime is 8442504439. The reversal of 8442504401 is 1044052448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7495403776 + 947100625 = 86576^2 + 30775^2 .

It is a cyclic number.

It is not a de Polignac number, because 8442504401 - 2² = 8442504397 is a prime.

It is not a weakly prime, because it can be changed into another prime (8442504001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4221252200 + 4221252201.

It is an arithmetic number, because the mean of its divisors is an integer number (4221252201).

Almost surely, 2^8442504401 is an apocalyptic number.

It is an amenable number.

8442504401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8442504401 is an equidigital number, since it uses as much as digits as its factorization.

8442504401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20480, while the sum is 32.

The square root of 8442504401 is about 91883.1018250908. The cubic root of 8442504401 is about 2036.2156228015.

Adding to 8442504401 its reverse (1044052448), we get a palindrome (9486556849).

The spelling of 8442504401 in words is "eight billion, four hundred forty-two million, five hundred four thousand, four hundred one".