404263625243 has 2 divisors, whose sum is σ = 404263625244. Its totient is φ = 404263625242.

The previous prime is 404263625239. The next prime is 404263625273. The reversal of 404263625243 is 342526362404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404263625243 - 2² = 404263625239 is a prime.

It is a super-2 number, since 2×404263625243² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404263625243.

It is not a weakly prime, because it can be changed into another prime (404263625273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202131812621 + 202131812622.

It is an arithmetic number, because the mean of its divisors is an integer number (202131812622).

Almost surely, 2^404263625243 is an apocalyptic number.

404263625243 is a deficient number, since it is larger than the sum of its proper divisors (1).

404263625243 is an equidigital number, since it uses as much as digits as its factorization.

404263625243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 404263625243 its reverse (342526362404), we get a palindrome (746789987647).

The spelling of 404263625243 in words is "four hundred four billion, two hundred sixty-three million, six hundred twenty-five thousand, two hundred forty-three".