404312124413 has 4 divisors (see below), whose sum is σ = 404317355520. Its totient is φ = 404306893308.

The previous prime is 404312124409. The next prime is 404312124421. The reversal of 404312124413 is 314421213404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404312124413 - 2² = 404312124409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404312124473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2497853 + ... + 2654786.

It is an arithmetic number, because the mean of its divisors is an integer number (101079338880).

Almost surely, 2^404312124413 is an apocalyptic number.

It is an amenable number.

404312124413 is a deficient number, since it is larger than the sum of its proper divisors (5231107).

404312124413 is an equidigital number, since it uses as much as digits as its factorization.

404312124413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5231106.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 404312124413 its reverse (314421213404), we get a palindrome (718733337817).

The spelling of 404312124413 in words is "four hundred four billion, three hundred twelve million, one hundred twenty-four thousand, four hundred thirteen".