404314872193 has 2 divisors, whose sum is σ = 404314872194. Its totient is φ = 404314872192.

The previous prime is 404314872187. The next prime is 404314872229. The reversal of 404314872193 is 391278413404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274709112129 + 129605760064 = 524127^2 + 360008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404314872193 is a prime.

It is not a weakly prime, because it can be changed into another prime (404314872103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202157436096 + 202157436097.

It is an arithmetic number, because the mean of its divisors is an integer number (202157436097).

Almost surely, 2^404314872193 is an apocalyptic number.

It is an amenable number.

404314872193 is a deficient number, since it is larger than the sum of its proper divisors (1).

404314872193 is an equidigital number, since it uses as much as digits as its factorization.

404314872193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 404314872193 in words is "four hundred four billion, three hundred fourteen million, eight hundred seventy-two thousand, one hundred ninety-three".