404135045429 has 2 divisors, whose sum is σ = 404135045430. Its totient is φ = 404135045428.

The previous prime is 404135045417. The next prime is 404135045471. The reversal of 404135045429 is 924540531404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380078415025 + 24056630404 = 616505^2 + 155102^2 .

It is a cyclic number.

It is not a de Polignac number, because 404135045429 - 2¹² = 404135041333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404135044429) 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, 202067522714 + 202067522715.

It is an arithmetic number, because the mean of its divisors is an integer number (202067522715).

Almost surely, 2^404135045429 is an apocalyptic number.

It is an amenable number.

404135045429 is a deficient number, since it is larger than the sum of its proper divisors (1).

404135045429 is an equidigital number, since it uses as much as digits as its factorization.

404135045429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 404135045429 in words is "four hundred four billion, one hundred thirty-five million, forty-five thousand, four hundred twenty-nine".