343493841947 has 2 divisors, whose sum is σ = 343493841948. Its totient is φ = 343493841946.

The previous prime is 343493841923. The next prime is 343493841949. The reversal of 343493841947 is 749148394343.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343493841947 - 2¹⁶ = 343493776411 is a prime.

Together with 343493841949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343493841949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171746920973 + 171746920974.

It is an arithmetic number, because the mean of its divisors is an integer number (171746920974).

Almost surely, 2^343493841947 is an apocalyptic number.

343493841947 is a deficient number, since it is larger than the sum of its proper divisors (1).

343493841947 is an equidigital number, since it uses as much as digits as its factorization.

343493841947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 59.

The spelling of 343493841947 in words is "three hundred forty-three billion, four hundred ninety-three million, eight hundred forty-one thousand, nine hundred forty-seven".