343714776991 has 2 divisors, whose sum is σ = 343714776992. Its totient is φ = 343714776990.

The previous prime is 343714776989. The next prime is 343714777031. The reversal of 343714776991 is 199677417343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343714776991 - 2¹ = 343714776989 is a prime.

Together with 343714776989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343714776901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171857388495 + 171857388496.

It is an arithmetic number, because the mean of its divisors is an integer number (171857388496).

Almost surely, 2^343714776991 is an apocalyptic number.

343714776991 is a deficient number, since it is larger than the sum of its proper divisors (1).

343714776991 is an equidigital number, since it uses as much as digits as its factorization.

343714776991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24004512, while the sum is 61.

The spelling of 343714776991 in words is "three hundred forty-three billion, seven hundred fourteen million, seven hundred seventy-six thousand, nine hundred ninety-one".