2100000986 has 8 divisors (see below), whose sum is σ = 3152039700. Its totient is φ = 1049321088.

The previous prime is 2100000961. The next prime is 2100000997. The reversal of 2100000986 is 6890000012.

It can be written as a sum of positive squares in 2 ways, for example, as 2050368961 + 49632025 = 45281^2 + 7045^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335831 + ... + 342026.

Almost surely, 2^2100000986 is an apocalyptic number.

2100000986 is a deficient number, since it is larger than the sum of its proper divisors (1052038714).

2100000986 is a wasteful number, since it uses less digits than its factorization.

2100000986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679408.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2100000986 is about 45825.7677076991. The cubic root of 2100000986 is about 1280.5793654083.

Adding to 2100000986 its reverse (6890000012), we get a palindrome (8990000998).

The spelling of 2100000986 in words is "two billion, one hundred million, nine hundred eighty-six", and thus it is an aban number.