404421502143983 has 2 divisors, whose sum is σ = 404421502143984. Its totient is φ = 404421502143982.

The previous prime is 404421502143973. The next prime is 404421502144067. The reversal of 404421502143983 is 389341205124404.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404421502143983 - 2⁸ = 404421502143727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404421502143973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202210751071991 + 202210751071992.

It is an arithmetic number, because the mean of its divisors is an integer number (202210751071992).

Almost surely, 2^{404421502143983} is an apocalyptic number.

404421502143983 is a deficient number, since it is larger than the sum of its proper divisors (1).

404421502143983 is an equidigital number, since it uses as much as digits as its factorization.

404421502143983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 404421502143983 in words is "four hundred four trillion, four hundred twenty-one billion, five hundred two million, one hundred forty-three thousand, nine hundred eighty-three".