904404420001 has 2 divisors, whose sum is σ = 904404420002. Its totient is φ = 904404420000.

The previous prime is 904404419993. The next prime is 904404420067. The reversal of 904404420001 is 100024404409.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 465736637601 + 438667782400 = 682449^2 + 662320^2 .

It is a cyclic number.

It is not a de Polignac number, because 904404420001 - 2³ = 904404419993 is a prime.

It is not a weakly prime, because it can be changed into another prime (904404420091) 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, 452202210000 + 452202210001.

It is an arithmetic number, because the mean of its divisors is an integer number (452202210001).

Almost surely, 2^904404420001 is an apocalyptic number.

It is an amenable number.

904404420001 is a deficient number, since it is larger than the sum of its proper divisors (1).

904404420001 is an equidigital number, since it uses as much as digits as its factorization.

904404420001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 904404420001 in words is "nine hundred four billion, four hundred four million, four hundred twenty thousand, one".