2100893839 has 12 divisors (see below), whose sum is σ = 2383743040. Its totient is φ = 1848290400.

The previous prime is 2100893831. The next prime is 2100893867. The reversal of 2100893839 is 9383980012.

It is a happy number.

It is not a de Polignac number, because 2100893839 - 2³ = 2100893831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100893795 and 2100893804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100893831) 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 11 ways as a sum of consecutive naturals, for example, 276294 + ... + 283795.

Almost surely, 2^2100893839 is an apocalyptic number.

2100893839 is a deficient number, since it is larger than the sum of its proper divisors (282849201).

2100893839 is a wasteful number, since it uses less digits than its factorization.

2100893839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560142 (or 560131 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2100893839 is about 45835.5084950522. The cubic root of 2100893839 is about 1280.7608267715.

The spelling of 2100893839 in words is "two billion, one hundred million, eight hundred ninety-three thousand, eight hundred thirty-nine".