2169318986 has 8 divisors (see below), whose sum is σ = 3295168320. Its totient is φ = 1070929548.

The previous prime is 2169318971. The next prime is 2169319039. The reversal of 2169318986 is 6898139612.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6864776 + ... + 6865091.

It is an arithmetic number, because the mean of its divisors is an integer number (411896040).

Almost surely, 2^2169318986 is an apocalyptic number.

2169318986 is a deficient number, since it is larger than the sum of its proper divisors (1125849334).

2169318986 is a wasteful number, since it uses less digits than its factorization.

2169318986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13729948.

The product of its digits is 1119744, while the sum is 53.

The square root of 2169318986 is about 46575.9485786387. The cubic root of 2169318986 is about 1294.5171420259.

The spelling of 2169318986 in words is "two billion, one hundred sixty-nine million, three hundred eighteen thousand, nine hundred eighty-six".