1344324421 has 4 divisors (see below), whose sum is σ = 1466535744. Its totient is φ = 1222113100.

The previous prime is 1344324391. The next prime is 1344324427. The reversal of 1344324421 is 1244234431.

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 1344324421 - 2⁵ = 1344324389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344324421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344324427) 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, 61105645 + ... + 61105666.

It is an arithmetic number, because the mean of its divisors is an integer number (366633936).

Almost surely, 2^1344324421 is an apocalyptic number.

1344324421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1344324421 is a deficient number, since it is larger than the sum of its proper divisors (122211323).

1344324421 is a wasteful number, since it uses less digits than its factorization.

1344324421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122211322.

The product of its digits is 9216, while the sum is 28.

The square root of 1344324421 is about 36665.0299468035. The cubic root of 1344324421 is about 1103.6584583434.

Adding to 1344324421 its reverse (1244234431), we get a palindrome (2588558852).

The spelling of 1344324421 in words is "one billion, three hundred forty-four million, three hundred twenty-four thousand, four hundred twenty-one".