404010434423437 has 2 divisors, whose sum is σ = 404010434423438. Its totient is φ = 404010434423436.

The previous prime is 404010434423411. The next prime is 404010434423459. The reversal of 404010434423437 is 734324434010404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388355837908516 + 15654596514921 = 19706746^2 + 3956589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404010434423437 is a prime.

It is a super-2 number, since 2×404010434423437² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 404010434423393 and 404010434423402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404010435423437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202005217211718 + 202005217211719.

It is an arithmetic number, because the mean of its divisors is an integer number (202005217211719).

Almost surely, 2^{404010434423437} is an apocalyptic number.

It is an amenable number.

404010434423437 is a deficient number, since it is larger than the sum of its proper divisors (1).

404010434423437 is an equidigital number, since it uses as much as digits as its factorization.

404010434423437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 43.

The spelling of 404010434423437 in words is "four hundred four trillion, ten billion, four hundred thirty-four million, four hundred twenty-three thousand, four hundred thirty-seven".