404544012029 has 2 divisors, whose sum is σ = 404544012030. Its totient is φ = 404544012028.

The previous prime is 404544011969. The next prime is 404544012049. The reversal of 404544012029 is 920210445404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375674603929 + 28869408100 = 612923^2 + 169910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404544012029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404544012029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404544012049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202272006014 + 202272006015.

It is an arithmetic number, because the mean of its divisors is an integer number (202272006015).

Almost surely, 2^404544012029 is an apocalyptic number.

It is an amenable number.

404544012029 is a deficient number, since it is larger than the sum of its proper divisors (1).

404544012029 is an equidigital number, since it uses as much as digits as its factorization.

404544012029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 404544012029 in words is "four hundred four billion, five hundred forty-four million, twelve thousand, twenty-nine".