2122453654187 has 2 divisors, whose sum is σ = 2122453654188. Its totient is φ = 2122453654186.

The previous prime is 2122453654147. The next prime is 2122453654207. The reversal of 2122453654187 is 7814563542212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122453654187 - 2³⁰ = 2121379912363 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122453654147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061226827093 + 1061226827094.

It is an arithmetic number, because the mean of its divisors is an integer number (1061226827094).

Almost surely, 2^{2122453654187} is an apocalyptic number.

2122453654187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122453654187 is an equidigital number, since it uses as much as digits as its factorization.

2122453654187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3225600, while the sum is 50.

The spelling of 2122453654187 in words is "two trillion, one hundred twenty-two billion, four hundred fifty-three million, six hundred fifty-four thousand, one hundred eighty-seven".