404323311413 has 4 divisors (see below), whose sum is σ = 462083784480. Its totient is φ = 346562838348.

The previous prime is 404323311389. The next prime is 404323311463. The reversal of 404323311413 is 314113323404.

It is a happy number.

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 404323311413 - 2¹⁶ = 404323245877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404323311463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28880236523 + ... + 28880236536.

It is an arithmetic number, because the mean of its divisors is an integer number (115520946120).

Almost surely, 2^404323311413 is an apocalyptic number.

It is an amenable number.

404323311413 is a deficient number, since it is larger than the sum of its proper divisors (57760473067).

404323311413 is an equidigital number, since it uses as much as digits as its factorization.

404323311413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57760473066.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 404323311413 its reverse (314113323404), we get a palindrome (718436634817).

The spelling of 404323311413 in words is "four hundred four billion, three hundred twenty-three million, three hundred eleven thousand, four hundred thirteen".