404320734617 has 2 divisors, whose sum is σ = 404320734618. Its totient is φ = 404320734616.

The previous prime is 404320734599. The next prime is 404320734619. The reversal of 404320734617 is 716437023404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282578359561 + 121742375056 = 531581^2 + 348916^2 .

It is a cyclic number.

It is not a de Polignac number, because 404320734617 - 2⁸ = 404320734361 is a prime.

Together with 404320734619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404320734619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202160367308 + 202160367309.

It is an arithmetic number, because the mean of its divisors is an integer number (202160367309).

Almost surely, 2^404320734617 is an apocalyptic number.

It is an amenable number.

404320734617 is a deficient number, since it is larger than the sum of its proper divisors (1).

404320734617 is an equidigital number, since it uses as much as digits as its factorization.

404320734617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 404320734617 in words is "four hundred four billion, three hundred twenty million, seven hundred thirty-four thousand, six hundred seventeen".