1984052171 has 2 divisors, whose sum is σ = 1984052172. Its totient is φ = 1984052170.

The previous prime is 1984052149. The next prime is 1984052209. The reversal of 1984052171 is 1712504891.

It is an a-pointer prime, because the next prime (1984052209) can be obtained adding 1984052171 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1984052171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1984052141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992026085 + 992026086.

It is an arithmetic number, because the mean of its divisors is an integer number (992026086).

Almost surely, 2^1984052171 is an apocalyptic number.

1984052171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984052171 is an equidigital number, since it uses as much as digits as its factorization.

1984052171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 1984052171 is about 44542.7005355535. The cubic root of 1984052171 is about 1256.5632749037.

The spelling of 1984052171 in words is "one billion, nine hundred eighty-four million, fifty-two thousand, one hundred seventy-one".