1806729506063 has 8 divisors (see below), whose sum is σ = 1914505783632. Its totient is φ = 1699119680896.

The previous prime is 1806729506017. The next prime is 1806729506069. The reversal of 1806729506063 is 3606059276081.

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 1806729506063 - 2³⁰ = 1805655764239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1806729505996 and 1806729506014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806729506069) 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, 41590745 + ... + 41634162.

It is an arithmetic number, because the mean of its divisors is an integer number (239313222954).

Almost surely, 2^{1806729506063} is an apocalyptic number.

1806729506063 is a deficient number, since it is larger than the sum of its proper divisors (107776277569).

1806729506063 is a wasteful number, since it uses less digits than its factorization.

1806729506063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83226201.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 1806729506063 in words is "one trillion, eight hundred six billion, seven hundred twenty-nine million, five hundred six thousand, sixty-three".