2061210986 has 16 divisors (see below), whose sum is σ = 3143878920. Its totient is φ = 1013379840.

The previous prime is 2061210947. The next prime is 2061210997. The reversal of 2061210986 is 6890121602.

It can be written as a sum of positive squares in 4 ways, for example, as 848848225 + 1212362761 = 29135^2 + 34819^2 .

It is a Curzon number.

It is an unprimeable number.

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, 230 + ... + 64206.

Almost surely, 2^2061210986 is an apocalyptic number.

2061210986 is a deficient number, since it is larger than the sum of its proper divisors (1082667934).

2061210986 is a wasteful number, since it uses less digits than its factorization.

2061210986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64249.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 2061210986 is about 45400.5615163513. The cubic root of 2061210986 is about 1272.6456073707.

The spelling of 2061210986 in words is "two billion, sixty-one million, two hundred ten thousand, nine hundred eighty-six".