4256399143 has 2 divisors, whose sum is σ = 4256399144. Its totient is φ = 4256399142.

The previous prime is 4256399131. The next prime is 4256399167. The reversal of 4256399143 is 3419936524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4256399143 - 2¹³ = 4256390951 is a prime.

It is a super-2 number, since 2×4256399143² = 36233867329062268898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4256399093 and 4256399102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4256399243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128199571 + 2128199572.

It is an arithmetic number, because the mean of its divisors is an integer number (2128199572).

Almost surely, 2^4256399143 is an apocalyptic number.

4256399143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256399143 is an equidigital number, since it uses as much as digits as its factorization.

4256399143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 46.

The square root of 4256399143 is about 65241.0847779220. The cubic root of 4256399143 is about 1620.6184631192.

The spelling of 4256399143 in words is "four billion, two hundred fifty-six million, three hundred ninety-nine thousand, one hundred forty-three".