47216185345 has 16 divisors (see below), whose sum is σ = 65665651968. Its totient is φ = 31920799680.

The previous prime is 47216185327. The next prime is 47216185381. The reversal of 47216185345 is 54358161274.

It is not a de Polignac number, because 47216185345 - 2⁹ = 47216184833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47216185295 and 47216185304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9497754 + ... + 9502723.

It is an arithmetic number, because the mean of its divisors is an integer number (4104103248).

Almost surely, 2^47216185345 is an apocalyptic number.

It is an amenable number.

47216185345 is a deficient number, since it is larger than the sum of its proper divisors (18449466623).

47216185345 is a wasteful number, since it uses less digits than its factorization.

47216185345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19000560.

The product of its digits is 806400, while the sum is 46.

The spelling of 47216185345 in words is "forty-seven billion, two hundred sixteen million, one hundred eighty-five thousand, three hundred forty-five".