344689986443 has 16 divisors (see below), whose sum is σ = 379932806880. Its totient is φ = 310101408000.

The previous prime is 344689986439. The next prime is 344689986463.

344689986443 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 344689986443 - 2² = 344689986439 is a prime.

It is a super-2 number, since 2×344689986443² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344689986463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2246621 + ... + 2395137.

It is an arithmetic number, because the mean of its divisors is an integer number (23745800430).

Almost surely, 2^344689986443 is an apocalyptic number.

344689986443 is a deficient number, since it is larger than the sum of its proper divisors (35242820437).

344689986443 is a wasteful number, since it uses less digits than its factorization.

344689986443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150718.

The product of its digits is 429981696, while the sum is 68.

The spelling of 344689986443 in words is "three hundred forty-four billion, six hundred eighty-nine million, nine hundred eighty-six thousand, four hundred forty-three".