4278266427143 has 4 divisors (see below), whose sum is σ = 4278272865120. Its totient is φ = 4278259989168.

The previous prime is 4278266427137. The next prime is 4278266427157. The reversal of 4278266427143 is 3417246628724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4278266427143 - 2¹² = 4278266423047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278266424143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2090255 + ... + 3595232.

It is an arithmetic number, because the mean of its divisors is an integer number (1069568216280).

Almost surely, 2^{4278266427143} is an apocalyptic number.

4278266427143 is a deficient number, since it is larger than the sum of its proper divisors (6437977).

4278266427143 is an equidigital number, since it uses as much as digits as its factorization.

4278266427143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437976.

The product of its digits is 21676032, while the sum is 56.

The spelling of 4278266427143 in words is "four trillion, two hundred seventy-eight billion, two hundred sixty-six million, four hundred twenty-seven thousand, one hundred forty-three".