2154119171 has 2 divisors, whose sum is σ = 2154119172. Its totient is φ = 2154119170.

The previous prime is 2154119141. The next prime is 2154119173. The reversal of 2154119171 is 1719114512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2154119171 - 2¹⁴ = 2154102787 is a prime.

Together with 2154119173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2154119173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077059585 + 1077059586.

It is an arithmetic number, because the mean of its divisors is an integer number (1077059586).

Almost surely, 2^2154119171 is an apocalyptic number.

2154119171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154119171 is an equidigital number, since it uses as much as digits as its factorization.

2154119171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 32.

The square root of 2154119171 is about 46412.4893859401. The cubic root of 2154119171 is about 1291.4866123733.

The spelling of 2154119171 in words is "two billion, one hundred fifty-four million, one hundred nineteen thousand, one hundred seventy-one".