404068955491 has 2 divisors, whose sum is σ = 404068955492. Its totient is φ = 404068955490.

The previous prime is 404068955467. The next prime is 404068955501. The reversal of 404068955491 is 194559860404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404068955491 - 2⁷ = 404068955363 is a prime.

It is not a weakly prime, because it can be changed into another prime (404068955431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202034477745 + 202034477746.

It is an arithmetic number, because the mean of its divisors is an integer number (202034477746).

Almost surely, 2^404068955491 is an apocalyptic number.

404068955491 is a deficient number, since it is larger than the sum of its proper divisors (1).

404068955491 is an equidigital number, since it uses as much as digits as its factorization.

404068955491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 404068955491 in words is "four hundred four billion, sixty-eight million, nine hundred fifty-five thousand, four hundred ninety-one".