3447347579345 has 8 divisors (see below), whose sum is σ = 4138098259560. Its totient is φ = 2757023953920.

The previous prime is 3447347579341. The next prime is 3447347579381. The reversal of 3447347579345 is 5439757437443.

3447347579345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 129386967616 + 3317960611729 = 359704^2 + 1821527^2 .

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

It is not a de Polignac number, because 3447347579345 - 2² = 3447347579341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3447347579341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106745936 + ... + 106778225.

It is an arithmetic number, because the mean of its divisors is an integer number (517262282445).

Almost surely, 2^{3447347579345} is an apocalyptic number.

It is an amenable number.

3447347579345 is a deficient number, since it is larger than the sum of its proper divisors (690750680215).

3447347579345 is a wasteful number, since it uses less digits than its factorization.

3447347579345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213527395.

The product of its digits is 533433600, while the sum is 65.

The spelling of 3447347579345 in words is "three trillion, four hundred forty-seven billion, three hundred forty-seven million, five hundred seventy-nine thousand, three hundred forty-five".