404313004243 has 2 divisors, whose sum is σ = 404313004244. Its totient is φ = 404313004242.

The previous prime is 404313004213. The next prime is 404313004321. The reversal of 404313004243 is 342400313404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404313004243 - 2¹³ = 404312996051 is a prime.

It is not a weakly prime, because it can be changed into another prime (404313004213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202156502121 + 202156502122.

It is an arithmetic number, because the mean of its divisors is an integer number (202156502122).

Almost surely, 2^404313004243 is an apocalyptic number.

404313004243 is a deficient number, since it is larger than the sum of its proper divisors (1).

404313004243 is an equidigital number, since it uses as much as digits as its factorization.

404313004243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 404313004243 its reverse (342400313404), we get a palindrome (746713317647).

The spelling of 404313004243 in words is "four hundred four billion, three hundred thirteen million, four thousand, two hundred forty-three".