4278152171 has 2 divisors, whose sum is σ = 4278152172. Its totient is φ = 4278152170.

The previous prime is 4278152167. The next prime is 4278152183. The reversal of 4278152171 is 1712518724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4278152171 - 2² = 4278152167 is a prime.

It is not a weakly prime, because it can be changed into another prime (4278152771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139076085 + 2139076086.

It is an arithmetic number, because the mean of its divisors is an integer number (2139076086).

Almost surely, 2^4278152171 is an apocalyptic number.

4278152171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278152171 is an equidigital number, since it uses as much as digits as its factorization.

4278152171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31360, while the sum is 38.

The square root of 4278152171 is about 65407.5849653540. The cubic root of 4278152171 is about 1623.3745856482.

The spelling of 4278152171 in words is "four billion, two hundred seventy-eight million, one hundred fifty-two thousand, one hundred seventy-one".