2192881672187 has 2 divisors, whose sum is σ = 2192881672188. Its totient is φ = 2192881672186.

The previous prime is 2192881672151. The next prime is 2192881672193. The reversal of 2192881672187 is 7812761882912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2192881672187 - 2¹² = 2192881668091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2192881677187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1096440836093 + 1096440836094.

It is an arithmetic number, because the mean of its divisors is an integer number (1096440836094).

Almost surely, 2^{2192881672187} is an apocalyptic number.

2192881672187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2192881672187 is an equidigital number, since it uses as much as digits as its factorization.

2192881672187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 62.

The spelling of 2192881672187 in words is "two trillion, one hundred ninety-two billion, eight hundred eighty-one million, six hundred seventy-two thousand, one hundred eighty-seven".