206542630043 has 8 divisors (see below), whose sum is σ = 212749214496. Its totient is φ = 200391710400.

The previous prime is 206542630039. The next prime is 206542630061. The reversal of 206542630043 is 340036245602.

206542630043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 206542630043 - 2² = 206542630039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206542629985 and 206542630012.

It is not an unprimeable number, because it can be changed into a prime (206542630033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13908671 + ... + 13923512.

It is an arithmetic number, because the mean of its divisors is an integer number (26593651812).

Almost surely, 2^206542630043 is an apocalyptic number.

206542630043 is a deficient number, since it is larger than the sum of its proper divisors (6206584453).

206542630043 is a wasteful number, since it uses less digits than its factorization.

206542630043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27832405.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 206542630043 its reverse (340036245602), we get a palindrome (546578875645).

The spelling of 206542630043 in words is "two hundred six billion, five hundred forty-two million, six hundred thirty thousand, forty-three".