344443016561 has 8 divisors (see below), whose sum is σ = 414367538880. Its totient is φ = 279698088528.

The previous prime is 344443016557. The next prime is 344443016563. The reversal of 344443016561 is 165610344443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344443016561 - 2² = 344443016557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344443016563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294898426 + ... + 1294898691.

It is an arithmetic number, because the mean of its divisors is an integer number (51795942360).

Almost surely, 2^344443016561 is an apocalyptic number.

It is an amenable number.

344443016561 is a deficient number, since it is larger than the sum of its proper divisors (69924522319).

344443016561 is a wasteful number, since it uses less digits than its factorization.

344443016561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589797143.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 344443016561 in words is "three hundred forty-four billion, four hundred forty-three million, sixteen thousand, five hundred sixty-one".