404104679758061 has 2 divisors, whose sum is σ = 404104679758062. Its totient is φ = 404104679758060.

The previous prime is 404104679758033. The next prime is 404104679758093. The reversal of 404104679758061 is 160857976401404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383156391533161 + 20948288224900 = 19574381^2 + 4576930^2 .

It is a cyclic number.

It is not a de Polignac number, because 404104679758061 - 2²⁶ = 404104612649197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404104679757985 and 404104679758003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404104679758561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202052339879030 + 202052339879031.

It is an arithmetic number, because the mean of its divisors is an integer number (202052339879031).

Almost surely, 2^{404104679758061} is an apocalyptic number.

It is an amenable number.

404104679758061 is a deficient number, since it is larger than the sum of its proper divisors (1).

404104679758061 is an equidigital number, since it uses as much as digits as its factorization.

404104679758061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 404104679758061 in words is "four hundred four trillion, one hundred four billion, six hundred seventy-nine million, seven hundred fifty-eight thousand, sixty-one".