344313746647 has 16 divisors (see below), whose sum is σ = 372392896960. Its totient is φ = 316464475392.

The previous prime is 344313746639. The next prime is 344313746657. The reversal of 344313746647 is 746647313443.

It is a happy number.

It is not a de Polignac number, because 344313746647 - 2³ = 344313746639 is a prime.

It is a super-2 number, since 2×344313746647² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344313746594 and 344313746603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344313746657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3693373 + ... + 3785449.

It is an arithmetic number, because the mean of its divisors is an integer number (23274556060).

Almost surely, 2^344313746647 is an apocalyptic number.

344313746647 is a deficient number, since it is larger than the sum of its proper divisors (28079150313).

344313746647 is a wasteful number, since it uses less digits than its factorization.

344313746647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93322.

The product of its digits is 12192768, while the sum is 52.

The spelling of 344313746647 in words is "three hundred forty-four billion, three hundred thirteen million, seven hundred forty-six thousand, six hundred forty-seven".