343697443847 has 2 divisors, whose sum is σ = 343697443848. Its totient is φ = 343697443846.

The previous prime is 343697443819. The next prime is 343697443853. The reversal of 343697443847 is 748344796343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343697443847 - 2²⁰ = 343696395271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343697443847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343697443877) 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, 171848721923 + 171848721924.

It is an arithmetic number, because the mean of its divisors is an integer number (171848721924).

Almost surely, 2^343697443847 is an apocalyptic number.

343697443847 is a deficient number, since it is larger than the sum of its proper divisors (1).

343697443847 is an equidigital number, since it uses as much as digits as its factorization.

343697443847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 146313216, while the sum is 62.

The spelling of 343697443847 in words is "three hundred forty-three billion, six hundred ninety-seven million, four hundred forty-three thousand, eight hundred forty-seven".