17999628063 has 8 divisors (see below), whose sum is σ = 24036947376. Its totient is φ = 11981030400.

The previous prime is 17999628013. The next prime is 17999628091. The reversal of 17999628063 is 36082699971.

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

It is not a de Polignac number, because 17999628063 - 2¹³ = 17999619871 is a prime.

It is a super-2 number, since 2×17999628063² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17999627988 and 17999628006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17999628013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4678168 + ... + 4682013.

It is an arithmetic number, because the mean of its divisors is an integer number (3004618422).

Almost surely, 2^17999628063 is an apocalyptic number.

17999628063 is a deficient number, since it is larger than the sum of its proper divisors (6037319313).

17999628063 is an equidigital number, since it uses as much as digits as its factorization.

17999628063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9360825.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 17999628063 in words is "seventeen billion, nine hundred ninety-nine million, six hundred twenty-eight thousand, sixty-three".