344473747613 has 4 divisors (see below), whose sum is σ = 344477976348. Its totient is φ = 344469518880.

The previous prime is 344473747601. The next prime is 344473747621. The reversal of 344473747613 is 316747374443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316747374443 = 5197 ⋅60948119.

It can be written as a sum of positive squares in 2 ways, for example, as 88481261764 + 255992485849 = 297458^2 + 505957^2 .

It is a cyclic number.

It is not a de Polignac number, because 344473747613 - 2⁶ = 344473747549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344473447613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989728 + ... + 2155913.

It is an arithmetic number, because the mean of its divisors is an integer number (86119494087).

Almost surely, 2^344473747613 is an apocalyptic number.

It is an amenable number.

344473747613 is a deficient number, since it is larger than the sum of its proper divisors (4228735).

344473747613 is an equidigital number, since it uses as much as digits as its factorization.

344473747613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228734.

The product of its digits is 14224896, while the sum is 53.

The spelling of 344473747613 in words is "three hundred forty-four billion, four hundred seventy-three million, seven hundred forty-seven thousand, six hundred thirteen".