346903309643 has 16 divisors (see below), whose sum is σ = 379592909280. Its totient is φ = 314406643200.

The previous prime is 346903309573. The next prime is 346903309657.

It is a happy number.

346903309643 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 346903309643 - 2⁸ = 346903309387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346903309591 and 346903309600.

It is not an unprimeable number, because it can be changed into a prime (346903309673) 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 in 15 ways as a sum of consecutive naturals, for example, 9554003 + ... + 9590243.

It is an arithmetic number, because the mean of its divisors is an integer number (23724556830).

Almost surely, 2^346903309643 is an apocalyptic number.

346903309643 is a deficient number, since it is larger than the sum of its proper divisors (32689599637).

346903309643 is a wasteful number, since it uses less digits than its factorization.

346903309643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38878.

The product of its (nonzero) digits is 3779136, while the sum is 50.

The spelling of 346903309643 in words is "three hundred forty-six billion, nine hundred three million, three hundred nine thousand, six hundred forty-three".