347705461993 has 8 divisors (see below), whose sum is σ = 360103612680. Its totient is φ = 335334531840.

The previous prime is 347705461981. The next prime is 347705462011. The reversal of 347705461993 is 399164507743.

It can be written as a sum of positive squares in 4 ways, for example, as 8174329744 + 339531132249 = 90412^2 + 582693^2 .

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 347705461993 - 2¹³ = 347705453801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347705461903) 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, 6779130 + ... + 6830227.

It is an arithmetic number, because the mean of its divisors is an integer number (45012951585).

Almost surely, 2^347705461993 is an apocalyptic number.

It is an amenable number.

347705461993 is a deficient number, since it is larger than the sum of its proper divisors (12398150687).

347705461993 is a wasteful number, since it uses less digits than its factorization.

347705461993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610267.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 347705461993 in words is "three hundred forty-seven billion, seven hundred five million, four hundred sixty-one thousand, nine hundred ninety-three".