1343942919 has 48 divisors (see below), whose sum is σ = 2146435200. Its totient is φ = 803563200.

The previous prime is 1343942917. The next prime is 1343942927. The reversal of 1343942919 is 9192493431.

It is not a de Polignac number, because 1343942919 - 2¹ = 1343942917 is a prime.

It is a super-2 number, since 2×1343942919² = 3612365139060481122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343942917) 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 47 ways as a sum of consecutive naturals, for example, 3207292 + ... + 3207710.

It is an arithmetic number, because the mean of its divisors is an integer number (44717400).

Almost surely, 2^1343942919 is an apocalyptic number.

1343942919 is a deficient number, since it is larger than the sum of its proper divisors (802492281).

1343942919 is a wasteful number, since it uses less digits than its factorization.

1343942919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 793 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1343942919 is about 36659.8270454185. The cubic root of 1343942919 is about 1103.5540471020.

The spelling of 1343942919 in words is "one billion, three hundred forty-three million, nine hundred forty-two thousand, nine hundred nineteen".