6681873925 has 12 divisors (see below), whose sum is σ = 8721604480. Its totient is φ = 5064156720.

The previous prime is 6681873923. The next prime is 6681873967. The reversal of 6681873925 is 5293781866.

It is not a de Polignac number, because 6681873925 - 2¹ = 6681873923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6681873923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7033077 + ... + 7034026.

Almost surely, 2^6681873925 is an apocalyptic number.

It is an amenable number.

6681873925 is a deficient number, since it is larger than the sum of its proper divisors (2039730555).

6681873925 is a wasteful number, since it uses less digits than its factorization.

6681873925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067132 (or 14067127 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The square root of 6681873925 is about 81742.7301048846. The cubic root of 6681873925 is about 1883.5020288148.

The spelling of 6681873925 in words is "six billion, six hundred eighty-one million, eight hundred seventy-three thousand, nine hundred twenty-five".