349818943 has 2 divisors, whose sum is σ = 349818944. Its totient is φ = 349818942.

The previous prime is 349818941. The next prime is 349818991.

349818943 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 349818943 - 2¹ = 349818941 is a prime.

Together with 349818941, it forms a pair of twin primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349818941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174909471 + 174909472.

It is an arithmetic number, because the mean of its divisors is an integer number (174909472).

Almost surely, 2^349818943 is an apocalyptic number.

349818943 is a deficient number, since it is larger than the sum of its proper divisors (1).

349818943 is an equidigital number, since it uses as much as digits as its factorization.

349818943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 349818943 is about 18703.4473560357. The cubic root of 349818943 is about 704.6083319826.

The spelling of 349818943 in words is "three hundred forty-nine million, eight hundred eighteen thousand, nine hundred forty-three".