1344322451 has 4 divisors (see below), whose sum is σ = 1352569992. Its totient is φ = 1336074912.

The previous prime is 1344322439. The next prime is 1344322457. The reversal of 1344322451 is 1542234431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1542234431 = 43 ⋅35865917.

It is a cyclic number.

It is not a de Polignac number, because 1344322451 - 2⁶ = 1344322387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344322457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4123526 + ... + 4123851.

It is an arithmetic number, because the mean of its divisors is an integer number (338142498).

Almost surely, 2^1344322451 is an apocalyptic number.

1344322451 is a deficient number, since it is larger than the sum of its proper divisors (8247541).

1344322451 is an equidigital number, since it uses as much as digits as its factorization.

1344322451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247540.

The product of its digits is 11520, while the sum is 29.

The square root of 1344322451 is about 36665.0030819581. The cubic root of 1344322451 is about 1103.6579192354.

Adding to 1344322451 its reverse (1542234431), we get a palindrome (2886556882).

The spelling of 1344322451 in words is "one billion, three hundred forty-four million, three hundred twenty-two thousand, four hundred fifty-one".