4252784786171 has 2 divisors, whose sum is σ = 4252784786172. Its totient is φ = 4252784786170.

The previous prime is 4252784786147. The next prime is 4252784786197. The reversal of 4252784786171 is 1716874872524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4252784786171 is a prime.

It is not a weakly prime, because it can be changed into another prime (4252784789171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126392393085 + 2126392393086.

It is an arithmetic number, because the mean of its divisors is an integer number (2126392393086).

Almost surely, 2^{4252784786171} is an apocalyptic number.

4252784786171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252784786171 is an equidigital number, since it uses as much as digits as its factorization.

4252784786171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42147840, while the sum is 62.

The spelling of 4252784786171 in words is "four trillion, two hundred fifty-two billion, seven hundred eighty-four million, seven hundred eighty-six thousand, one hundred seventy-one".