4000742143 has 2 divisors, whose sum is σ = 4000742144. Its totient is φ = 4000742142.

The previous prime is 4000742129. The next prime is 4000742147. The reversal of 4000742143 is 3412470004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4000742143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000742147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000371071 + 2000371072.

It is an arithmetic number, because the mean of its divisors is an integer number (2000371072).

Almost surely, 2^4000742143 is an apocalyptic number.

4000742143 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000742143 is an equidigital number, since it uses as much as digits as its factorization.

4000742143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4000742143 is about 63251.4200868249. The cubic root of 4000742143 is about 1587.4992191122.

The spelling of 4000742143 in words is "four billion, seven hundred forty-two thousand, one hundred forty-three".