1343871959 has 2 divisors, whose sum is σ = 1343871960. Its totient is φ = 1343871958.

The previous prime is 1343871943. The next prime is 1343871961. The reversal of 1343871959 is 9591783431.

It is a strong prime.

It is an emirp because it is prime and its reverse (9591783431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343871959 - 2⁴ = 1343871943 is a prime.

Together with 1343871961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343877959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671935979 + 671935980.

It is an arithmetic number, because the mean of its divisors is an integer number (671935980).

Almost surely, 2^1343871959 is an apocalyptic number.

1343871959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343871959 is an equidigital number, since it uses as much as digits as its factorization.

1343871959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 50.

The square root of 1343871959 is about 36658.8592157476. The cubic root of 1343871959 is about 1103.5346242599.

The spelling of 1343871959 in words is "one billion, three hundred forty-three million, eight hundred seventy-one thousand, nine hundred fifty-nine".