2103681086 has 32 divisors (see below), whose sum is σ = 3443801088. Its totient is φ = 958003200.

The previous prime is 2103681079. The next prime is 2103681089. The reversal of 2103681086 is 6801863012.

It is a super-2 number, since 2×2103681086² = 8850948223188278792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103681089) 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 15 ways as a sum of consecutive naturals, for example, 635636 + ... + 638936.

It is an arithmetic number, because the mean of its divisors is an integer number (107618784).

Almost surely, 2^2103681086 is an apocalyptic number.

2103681086 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2103681086 is a deficient number, since it is larger than the sum of its proper divisors (1340120002).

2103681086 is a wasteful number, since it uses less digits than its factorization.

2103681086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3636.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 2103681086 is about 45865.9033051787. The cubic root of 2103681086 is about 1281.3269698087.

The spelling of 2103681086 in words is "two billion, one hundred three million, six hundred eighty-one thousand, eighty-six".