1404343313421 has 4 divisors (see below), whose sum is σ = 1872457751232. Its totient is φ = 936228875612.

The previous prime is 1404343313407. The next prime is 1404343313423. The reversal of 1404343313421 is 1243133434041.

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 1404343313421 - 2⁶ = 1404343313357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404343313423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234057218901 + ... + 234057218906.

It is an arithmetic number, because the mean of its divisors is an integer number (468114437808).

Almost surely, 2^{1404343313421} is an apocalyptic number.

It is an amenable number.

1404343313421 is a deficient number, since it is larger than the sum of its proper divisors (468114437811).

1404343313421 is an equidigital number, since it uses as much as digits as its factorization.

1404343313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468114437810.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 1404343313421 its reverse (1243133434041), we get a palindrome (2647476747462).

The spelling of 1404343313421 in words is "one trillion, four hundred four billion, three hundred forty-three million, three hundred thirteen thousand, four hundred twenty-one".