6681425254 has 16 divisors (see below), whose sum is σ = 11460492576. Its totient is φ = 2861812800.

The previous prime is 6681425249. The next prime is 6681425263. The reversal of 6681425254 is 4525241866.

It is a self number, because there is not a number n which added to its sum of digits gives 6681425254.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 112687 + ... + 161434.

It is an arithmetic number, because the mean of its divisors is an integer number (716280786).

Almost surely, 2^6681425254 is an apocalyptic number.

6681425254 is a deficient number, since it is larger than the sum of its proper divisors (4779067322).

6681425254 is a wasteful number, since it uses less digits than its factorization.

6681425254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275871.

The product of its digits is 460800, while the sum is 43.

The square root of 6681425254 is about 81739.9856496195. The cubic root of 6681425254 is about 1883.4598703992.

The spelling of 6681425254 in words is "six billion, six hundred eighty-one million, four hundred twenty-five thousand, two hundred fifty-four".