2102681933 has 16 divisors (see below), whose sum is σ = 2345967360. Its totient is φ = 1868568000.

The previous prime is 2102681929. The next prime is 2102681953. The reversal of 2102681933 is 3391862012.

It is a cyclic number.

It is not a de Polignac number, because 2102681933 - 2² = 2102681929 is a prime.

It is a super-2 number, since 2×2102681933² = 8842542622729232978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2102681893 and 2102681902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102681923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75791 + ... + 99747.

It is an arithmetic number, because the mean of its divisors is an integer number (146622960).

Almost surely, 2^2102681933 is an apocalyptic number.

It is an amenable number.

2102681933 is a deficient number, since it is larger than the sum of its proper divisors (243285427).

2102681933 is a wasteful number, since it uses less digits than its factorization.

2102681933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24148.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2102681933 is about 45855.0099007731. The cubic root of 2102681933 is about 1281.1240803065.

The spelling of 2102681933 in words is "two billion, one hundred two million, six hundred eighty-one thousand, nine hundred thirty-three".