2184138517 has 16 divisors (see below), whose sum is σ = 2469012480. Its totient is φ = 1914822000.

The previous prime is 2184138493. The next prime is 2184138569. The reversal of 2184138517 is 7158314812.

It is a cyclic number.

It is not a de Polignac number, because 2184138517 - 2⁷ = 2184138389 is a prime.

It is a super-2 number, since 2×2184138517² = 9540922122885918578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2184138517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184138577) 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, 8142 + ... + 66592.

It is an arithmetic number, because the mean of its divisors is an integer number (154313280).

Almost surely, 2^2184138517 is an apocalyptic number.

It is an amenable number.

2184138517 is a deficient number, since it is larger than the sum of its proper divisors (284873963).

2184138517 is a wasteful number, since it uses less digits than its factorization.

2184138517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58584.

The product of its digits is 53760, while the sum is 40.

The square root of 2184138517 is about 46734.7677537826. The cubic root of 2184138517 is about 1297.4582519797.

The spelling of 2184138517 in words is "two billion, one hundred eighty-four million, one hundred thirty-eight thousand, five hundred seventeen".