346445544643 has 4 divisors (see below), whose sum is σ = 377940594168. Its totient is φ = 314950495120.

The previous prime is 346445544619. The next prime is 346445544671.

It is a happy number.

346445544643 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346445544643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346445544673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15747524746 + ... + 15747524767.

It is an arithmetic number, because the mean of its divisors is an integer number (94485148542).

Almost surely, 2^346445544643 is an apocalyptic number.

346445544643 is a deficient number, since it is larger than the sum of its proper divisors (31495049525).

346445544643 is a wasteful number, since it uses less digits than its factorization.

346445544643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31495049524.

The product of its digits is 33177600, while the sum is 52.

The spelling of 346445544643 in words is "three hundred forty-six billion, four hundred forty-five million, five hundred forty-four thousand, six hundred forty-three".