404403214447 has 2 divisors, whose sum is σ = 404403214448. Its totient is φ = 404403214446.

The previous prime is 404403214427. The next prime is 404403214469. The reversal of 404403214447 is 744412304404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404403214447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404403214427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202201607223 + 202201607224.

It is an arithmetic number, because the mean of its divisors is an integer number (202201607224).

Almost surely, 2^404403214447 is an apocalyptic number.

404403214447 is a deficient number, since it is larger than the sum of its proper divisors (1).

404403214447 is an equidigital number, since it uses as much as digits as its factorization.

404403214447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 37.

The spelling of 404403214447 in words is "four hundred four billion, four hundred three million, two hundred fourteen thousand, four hundred forty-seven".