404671714505857 has 4 divisors (see below), whose sum is σ = 404671798466496. Its totient is φ = 404671630545220.

The previous prime is 404671714505827. The next prime is 404671714505909. The reversal of 404671714505857 is 758505417176404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404671714505857 is a prime.

It is a super-2 number, since 2×404671714505857² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404671714505827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34279813 + ... + 44547154.

It is an arithmetic number, because the mean of its divisors is an integer number (101167949616624).

Almost surely, 2^{404671714505857} is an apocalyptic number.

It is an amenable number.

404671714505857 is a deficient number, since it is larger than the sum of its proper divisors (83960639).

404671714505857 is an equidigital number, since it uses as much as digits as its factorization.

404671714505857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83960638.

The product of its (nonzero) digits is 131712000, while the sum is 64.

The spelling of 404671714505857 in words is "four hundred four trillion, six hundred seventy-one billion, seven hundred fourteen million, five hundred five thousand, eight hundred fifty-seven".