344763319681 has 8 divisors (see below), whose sum is σ = 376110294624. Its totient is φ = 313417153920.

The previous prime is 344763319651. The next prime is 344763319697. The reversal of 344763319681 is 186913367443.

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 344763319681 - 2³⁷ = 207324366209 is a prime.

It is a super-2 number, since 2×344763319681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344763319651) 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 7 ways as a sum of consecutive naturals, for example, 998506 + ... + 1298668.

It is an arithmetic number, because the mean of its divisors is an integer number (47013786828).

Almost surely, 2^344763319681 is an apocalyptic number.

It is an amenable number.

344763319681 is a deficient number, since it is larger than the sum of its proper divisors (31346974943).

344763319681 is a wasteful number, since it uses less digits than its factorization.

344763319681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404591.

The product of its digits is 7838208, while the sum is 55.

The spelling of 344763319681 in words is "three hundred forty-four billion, seven hundred sixty-three million, three hundred nineteen thousand, six hundred eighty-one".