6147845980585 has 4 divisors (see below), whose sum is σ = 7377415176708. Its totient is φ = 4918276784464.

The previous prime is 6147845980553. The next prime is 6147845980597. The reversal of 6147845980585 is 5850895487416.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4504968045081 + 1642877935504 = 2122491^2 + 1281748^2 .

It is a cyclic number.

It is not a de Polignac number, because 6147845980585 - 2⁵ = 6147845980553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 614784598054 + ... + 614784598063.

It is an arithmetic number, because the mean of its divisors is an integer number (1844353794177).

Almost surely, 2^{6147845980585} is an apocalyptic number.

It is an amenable number.

6147845980585 is a deficient number, since it is larger than the sum of its proper divisors (1229569196123).

6147845980585 is a wasteful number, since it uses less digits than its factorization.

6147845980585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229569196122.

The product of its (nonzero) digits is 387072000, while the sum is 70.

The spelling of 6147845980585 in words is "six trillion, one hundred forty-seven billion, eight hundred forty-five million, nine hundred eighty thousand, five hundred eighty-five".