1344021319 has 2 divisors, whose sum is σ = 1344021320. Its totient is φ = 1344021318.

The previous prime is 1344021317. The next prime is 1344021347. The reversal of 1344021319 is 9131204431.

It is an a-pointer prime, because the next prime (1344021347) can be obtained adding 1344021319 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (9131204431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1344021319 - 2¹ = 1344021317 is a prime.

It is a super-2 number, since 2×1344021319² = 3612786611852999522, which contains 22 as substring.

Together with 1344021317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344021311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672010659 + 672010660.

It is an arithmetic number, because the mean of its divisors is an integer number (672010660).

Almost surely, 2^1344021319 is an apocalyptic number.

1344021319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344021319 is an equidigital number, since it uses as much as digits as its factorization.

1344021319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1344021319 is about 36660.8963201938. The cubic root of 1344021319 is about 1103.5755055915.

The spelling of 1344021319 in words is "one billion, three hundred forty-four million, twenty-one thousand, three hundred nineteen".