2006307731859 has 8 divisors (see below), whose sum is σ = 2679123993552. Its totient is φ = 1335514979040.

The previous prime is 2006307731849. The next prime is 2006307731861. The reversal of 2006307731859 is 9581377036002.

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

It is not a de Polignac number, because 2006307731859 - 2¹² = 2006307727763 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2006307731819) 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, 505874904 + ... + 505878869.

It is an arithmetic number, because the mean of its divisors is an integer number (334890499194).

Almost surely, 2^{2006307731859} is an apocalyptic number.

2006307731859 is a deficient number, since it is larger than the sum of its proper divisors (672816261693).

2006307731859 is a wasteful number, since it uses less digits than its factorization.

2006307731859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011754437.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 2006307731859 in words is "two trillion, six billion, three hundred seven million, seven hundred thirty-one thousand, eight hundred fifty-nine".