2160447047 has 4 divisors (see below), whose sum is σ = 2356851336. Its totient is φ = 1964042760.

The previous prime is 2160447011. The next prime is 2160447059. The reversal of 2160447047 is 7407440612.

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

It is a cyclic number.

It is not a de Polignac number, because 2160447047 - 2¹⁶ = 2160381511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2160446998 and 2160447016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160447007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98202128 + ... + 98202149.

It is an arithmetic number, because the mean of its divisors is an integer number (589212834).

Almost surely, 2^2160447047 is an apocalyptic number.

2160447047 is a deficient number, since it is larger than the sum of its proper divisors (196404289).

2160447047 is a wasteful number, since it uses less digits than its factorization.

2160447047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196404288.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 2160447047 is about 46480.6093656269. The cubic root of 2160447047 is about 1292.7499869013.

Adding to 2160447047 its reverse (7407440612), we get a palindrome (9567887659).

The spelling of 2160447047 in words is "two billion, one hundred sixty million, four hundred forty-seven thousand, forty-seven".