344943780899 has 8 divisors (see below), whose sum is σ = 358948201920. Its totient is φ = 331211290536.

The previous prime is 344943780833. The next prime is 344943780911. The reversal of 344943780899 is 998087349443.

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

It is a de Polignac number, because none of the positive numbers 2^k-344943780899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344943780299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67980077 + ... + 67985150.

It is an arithmetic number, because the mean of its divisors is an integer number (44868525240).

Almost surely, 2^344943780899 is an apocalyptic number.

344943780899 is a deficient number, since it is larger than the sum of its proper divisors (14004421021).

344943780899 is a wasteful number, since it uses less digits than its factorization.

344943780899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135965329.

The product of its (nonzero) digits is 188116992, while the sum is 68.

The spelling of 344943780899 in words is "three hundred forty-four billion, nine hundred forty-three million, seven hundred eighty thousand, eight hundred ninety-nine".