1343448919 has 4 divisors (see below), whose sum is σ = 1422475344. Its totient is φ = 1264422496.

The previous prime is 1343448901. The next prime is 1343448923. The reversal of 1343448919 is 9198443431.

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

It is a cyclic number.

It is not a de Polignac number, because 1343448919 - 2¹⁷ = 1343317847 is a prime.

It is a super-2 number, since 2×1343448919² = 3609709995924537122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343448949) 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, 39513187 + ... + 39513220.

It is an arithmetic number, because the mean of its divisors is an integer number (355618836).

Almost surely, 2^1343448919 is an apocalyptic number.

1343448919 is a deficient number, since it is larger than the sum of its proper divisors (79026425).

1343448919 is an equidigital number, since it uses as much as digits as its factorization.

1343448919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79026424.

The product of its digits is 373248, while the sum is 46.

The square root of 1343448919 is about 36653.0888057200. The cubic root of 1343448919 is about 1103.4188175223.

The spelling of 1343448919 in words is "one billion, three hundred forty-three million, four hundred forty-eight thousand, nine hundred nineteen".