404018725013 has 2 divisors, whose sum is σ = 404018725014. Its totient is φ = 404018725012.

The previous prime is 404018725003. The next prime is 404018725031. The reversal of 404018725013 is 310527810404.

Together with next prime (404018725031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349301094289 + 54717630724 = 591017^2 + 233918^2 .

It is a cyclic number.

It is not a de Polignac number, because 404018725013 - 2¹⁰ = 404018723989 is a prime.

It is a super-2 number, since 2×404018725013² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404018725003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202009362506 + 202009362507.

It is an arithmetic number, because the mean of its divisors is an integer number (202009362507).

Almost surely, 2^404018725013 is an apocalyptic number.

It is an amenable number.

404018725013 is a deficient number, since it is larger than the sum of its proper divisors (1).

404018725013 is an equidigital number, since it uses as much as digits as its factorization.

404018725013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 404018725013 in words is "four hundred four billion, eighteen million, seven hundred twenty-five thousand, thirteen".