2180873198267 has 8 divisors (see below), whose sum is σ = 2226466882800. Its totient is φ = 2135567171584.

The previous prime is 2180873198209. The next prime is 2180873198269. The reversal of 2180873198267 is 7628913780812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2180873198267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2180873198269) 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, 71899142 + ... + 71929467.

It is an arithmetic number, because the mean of its divisors is an integer number (278308360350).

Almost surely, 2^{2180873198267} is an apocalyptic number.

2180873198267 is a deficient number, since it is larger than the sum of its proper divisors (45593684533).

2180873198267 is a wasteful number, since it uses less digits than its factorization.

2180873198267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143828925.

The product of its (nonzero) digits is 16257024, while the sum is 62.

The spelling of 2180873198267 in words is "two trillion, one hundred eighty billion, eight hundred seventy-three million, one hundred ninety-eight thousand, two hundred sixty-seven".