347603685081 has 16 divisors (see below), whose sum is σ = 490751037504. Its totient is φ = 218096973824.

The previous prime is 347603685071. The next prime is 347603685083. The reversal of 347603685081 is 180586306743.

It is a cyclic number.

It is not a de Polignac number, because 347603685081 - 2⁶ = 347603685017 is a prime.

It is a super-4 number, since 4×347603685081⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (347603685083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707145 + ... + 1899881.

It is an arithmetic number, because the mean of its divisors is an integer number (30671939844).

Almost surely, 2^347603685081 is an apocalyptic number.

It is an amenable number.

347603685081 is a deficient number, since it is larger than the sum of its proper divisors (143147352423).

347603685081 is a wasteful number, since it uses less digits than its factorization.

347603685081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228120.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 347603685081 in words is "three hundred forty-seven billion, six hundred three million, six hundred eighty-five thousand, eighty-one".