4032644782171 has 2 divisors, whose sum is σ = 4032644782172. Its totient is φ = 4032644782170.

The previous prime is 4032644782121. The next prime is 4032644782219. The reversal of 4032644782171 is 1712874462304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4032644782171 - 2¹³ = 4032644773979 is a prime.

It is not a weakly prime, because it can be changed into another prime (4032644782121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016322391085 + 2016322391086.

It is an arithmetic number, because the mean of its divisors is an integer number (2016322391086).

Almost surely, 2^{4032644782171} is an apocalyptic number.

4032644782171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4032644782171 is an equidigital number, since it uses as much as digits as its factorization.

4032644782171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1806336, while the sum is 49.

The spelling of 4032644782171 in words is "four trillion, thirty-two billion, six hundred forty-four million, seven hundred eighty-two thousand, one hundred seventy-one".