2068692986 has 4 divisors (see below), whose sum is σ = 3103039482. Its totient is φ = 1034346492.

The previous prime is 2068692971. The next prime is 2068693019. The reversal of 2068692986 is 6892968602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1356817225 + 711875761 = 36835^2 + 26681^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517173245 + ... + 517173248.

Almost surely, 2^2068692986 is an apocalyptic number.

2068692986 is a deficient number, since it is larger than the sum of its proper divisors (1034346496).

2068692986 is a wasteful number, since it uses less digits than its factorization.

2068692986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034346495.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The square root of 2068692986 is about 45482.8867377610. The cubic root of 2068692986 is about 1274.1836088074.

The spelling of 2068692986 in words is "two billion, sixty-eight million, six hundred ninety-two thousand, nine hundred eighty-six".