2153966873 has 2 divisors, whose sum is σ = 2153966874. Its totient is φ = 2153966872.

The previous prime is 2153966849. The next prime is 2153966887. The reversal of 2153966873 is 3786693512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1675101184 + 478865689 = 40928^2 + 21883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153966873 - 2⁶ = 2153966809 is a prime.

It is not a weakly prime, because it can be changed into another prime (2153966473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076983436 + 1076983437.

It is an arithmetic number, because the mean of its divisors is an integer number (1076983437).

Almost surely, 2^2153966873 is an apocalyptic number.

It is an amenable number.

2153966873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153966873 is an equidigital number, since it uses as much as digits as its factorization.

2153966873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 2153966873 is about 46410.8486563217. The cubic root of 2153966873 is about 1291.4561752668.

The spelling of 2153966873 in words is "two billion, one hundred fifty-three million, nine hundred sixty-six thousand, eight hundred seventy-three".