1344033421 has 4 divisors (see below), whose sum is σ = 1345301244. Its totient is φ = 1342765600.

The previous prime is 1344033403. The next prime is 1344033433. The reversal of 1344033421 is 1243304431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 526702500 + 817330921 = 22950^2 + 28589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344033421 - 2⁷ = 1344033293 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 (1344033121) 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, 632320 + ... + 634441.

It is an arithmetic number, because the mean of its divisors is an integer number (336325311).

Almost surely, 2^1344033421 is an apocalyptic number.

It is an amenable number.

1344033421 is a deficient number, since it is larger than the sum of its proper divisors (1267823).

1344033421 is a wasteful number, since it uses less digits than its factorization.

1344033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267822.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1344033421 is about 36661.0613730699. The cubic root of 1344033421 is about 1103.5788178977.

Adding to 1344033421 its reverse (1243304431), we get a palindrome (2587337852).

The spelling of 1344033421 in words is "one billion, three hundred forty-four million, thirty-three thousand, four hundred twenty-one".