404421502127659 has 2 divisors, whose sum is σ = 404421502127660. Its totient is φ = 404421502127658.

The previous prime is 404421502127611. The next prime is 404421502127677. The reversal of 404421502127659 is 956721205124404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404421502127659 - 2¹⁵ = 404421502094891 is a prime.

It is not a weakly prime, because it can be changed into another prime (404421502127609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202210751063829 + 202210751063830.

It is an arithmetic number, because the mean of its divisors is an integer number (202210751063830).

Almost surely, 2^{404421502127659} is an apocalyptic number.

404421502127659 is a deficient number, since it is larger than the sum of its proper divisors (1).

404421502127659 is an equidigital number, since it uses as much as digits as its factorization.

404421502127659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 404421502127659 in words is "four hundred four trillion, four hundred twenty-one billion, five hundred two million, one hundred twenty-seven thousand, six hundred fifty-nine".