404421502144067 has 2 divisors, whose sum is σ = 404421502144068. Its totient is φ = 404421502144066.

The previous prime is 404421502143983. The next prime is 404421502144123. The reversal of 404421502144067 is 760441205124404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404421502144067 - 2⁸ = 404421502143811 is a prime.

It is not a weakly prime, because it can be changed into another prime (404421502144967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202210751072033 + 202210751072034.

It is an arithmetic number, because the mean of its divisors is an integer number (202210751072034).

Almost surely, 2^{404421502144067} is an apocalyptic number.

404421502144067 is a deficient number, since it is larger than the sum of its proper divisors (1).

404421502144067 is an equidigital number, since it uses as much as digits as its factorization.

404421502144067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 404421502144067 in words is "four hundred four trillion, four hundred twenty-one billion, five hundred two million, one hundred forty-four thousand, sixty-seven".