2182805616947 has 8 divisors (see below), whose sum is σ = 2229912115200. Its totient is φ = 2135726778184.

The previous prime is 2182805616917. The next prime is 2182805617019. The reversal of 2182805616947 is 7496165082812.

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 2182805616947 - 2²⁸ = 2182537181491 is a prime.

It is a super-2 number, since 2×2182805616947² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2182805616917) 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, 6755297 + ... + 7071042.

It is an arithmetic number, because the mean of its divisors is an integer number (278739014400).

Almost surely, 2^{2182805616947} is an apocalyptic number.

2182805616947 is a deficient number, since it is larger than the sum of its proper divisors (47106498253).

2182805616947 is a wasteful number, since it uses less digits than its factorization.

2182805616947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13829745.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 2182805616947 in words is "two trillion, one hundred eighty-two billion, eight hundred five million, six hundred sixteen thousand, nine hundred forty-seven".