344355039999 has 12 divisors (see below), whose sum is σ = 500739993000. Its totient is φ = 228029287344.

The previous prime is 344355039983. The next prime is 344355040009. The reversal of 344355039999 is 999930553443.

344355039999 is a `hidden beast` number, since 3 + 4 + 4 + 35 + 503 + 9 + 9 + 99 = 666.

It is not a de Polignac number, because 344355039999 - 2⁴ = 344355039983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344355032999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128393529 + ... + 128396210.

It is an arithmetic number, because the mean of its divisors is an integer number (41728332750).

Almost surely, 2^344355039999 is an apocalyptic number.

344355039999 is a deficient number, since it is larger than the sum of its proper divisors (156384953001).

344355039999 is a wasteful number, since it uses less digits than its factorization.

344355039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256789894 (or 256789891 counting only the distinct ones).

The product of its (nonzero) digits is 70858800, while the sum is 63.

The spelling of 344355039999 in words is "three hundred forty-four billion, three hundred fifty-five million, thirty-nine thousand, nine hundred ninety-nine".