404274338449 has 2 divisors, whose sum is σ = 404274338450. Its totient is φ = 404274338448.

The previous prime is 404274338423. The next prime is 404274338509. The reversal of 404274338449 is 944833472404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238183041600 + 166091296849 = 488040^2 + 407543^2 .

It is a cyclic number.

It is not a de Polignac number, because 404274338449 - 2⁵ = 404274338417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404274338396 and 404274338405.

It is not a weakly prime, because it can be changed into another prime (404274338549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202137169224 + 202137169225.

It is an arithmetic number, because the mean of its divisors is an integer number (202137169225).

Almost surely, 2^404274338449 is an apocalyptic number.

It is an amenable number.

404274338449 is a deficient number, since it is larger than the sum of its proper divisors (1).

404274338449 is an equidigital number, since it uses as much as digits as its factorization.

404274338449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 52.

The spelling of 404274338449 in words is "four hundred four billion, two hundred seventy-four million, three hundred thirty-eight thousand, four hundred forty-nine".