4142005643 has 8 divisors (see below), whose sum is σ = 4386117120. Its totient is φ = 3900505320.

The previous prime is 4142005603. The next prime is 4142005661. The reversal of 4142005643 is 3465002414.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4142005643 - 2²⁴ = 4125228427 is a prime.

It is a Duffinian number.

4142005643 is a modest number, since divided by 5643 gives 4142 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4142005603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649523 + ... + 655868.

It is an arithmetic number, because the mean of its divisors is an integer number (548264640).

Almost surely, 2^4142005643 is an apocalyptic number.

4142005643 is a deficient number, since it is larger than the sum of its proper divisors (244111477).

4142005643 is a wasteful number, since it uses less digits than its factorization.

4142005643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305577.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4142005643 is about 64358.4154792518. The cubic root of 4142005643 is about 1605.9680295606.

The spelling of 4142005643 in words is "four billion, one hundred forty-two million, five thousand, six hundred forty-three".