404403214427 has 2 divisors, whose sum is σ = 404403214428. Its totient is φ = 404403214426.

The previous prime is 404403214403. The next prime is 404403214447. The reversal of 404403214427 is 724412304404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404403214427 - 2²⁰ = 404402165851 is a prime.

It is not a weakly prime, because it can be changed into another prime (404403214447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202201607213 + 202201607214.

It is an arithmetic number, because the mean of its divisors is an integer number (202201607214).

Almost surely, 2^404403214427 is an apocalyptic number.

404403214427 is a deficient number, since it is larger than the sum of its proper divisors (1).

404403214427 is an equidigital number, since it uses as much as digits as its factorization.

404403214427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86016, while the sum is 35.

The spelling of 404403214427 in words is "four hundred four billion, four hundred three million, two hundred fourteen thousand, four hundred twenty-seven".