344741816121 has 16 divisors (see below), whose sum is σ = 464318426880. Its totient is φ = 227507778000.

The previous prime is 344741816117. The next prime is 344741816123. The reversal of 344741816121 is 121618147443.

It is not a de Polignac number, because 344741816121 - 2² = 344741816117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344741816123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1281631 + ... + 1527108.

It is an arithmetic number, because the mean of its divisors is an integer number (29019901680).

Almost surely, 2^344741816121 is an apocalyptic number.

It is an amenable number.

344741816121 is a deficient number, since it is larger than the sum of its proper divisors (119576610759).

344741816121 is a wasteful number, since it uses less digits than its factorization.

344741816121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809156.

The product of its digits is 129024, while the sum is 42.

The spelling of 344741816121 in words is "three hundred forty-four billion, seven hundred forty-one million, eight hundred sixteen thousand, one hundred twenty-one".