404223010129 has 2 divisors, whose sum is σ = 404223010130. Its totient is φ = 404223010128.

The previous prime is 404223009979. The next prime is 404223010151. The reversal of 404223010129 is 921010322404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296785248400 + 107437761729 = 544780^2 + 327777^2 .

It is a cyclic number.

It is not a de Polignac number, because 404223010129 - 2¹¹ = 404223008081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404223010097 and 404223010106.

It is not a weakly prime, because it can be changed into another prime (404223710129) 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, 202111505064 + 202111505065.

It is an arithmetic number, because the mean of its divisors is an integer number (202111505065).

Almost surely, 2^404223010129 is an apocalyptic number.

It is an amenable number.

404223010129 is a deficient number, since it is larger than the sum of its proper divisors (1).

404223010129 is an equidigital number, since it uses as much as digits as its factorization.

404223010129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 404223010129 in words is "four hundred four billion, two hundred twenty-three million, ten thousand, one hundred twenty-nine".