6906142688 has 12 divisors (see below), whose sum is σ = 13596468480. Its totient is φ = 3453071328.

The previous prime is 6906142681. The next prime is 6906142693. The reversal of 6906142688 is 8862416096.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6906142681) by changing a digit.

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 as a sum of consecutive naturals, namely, 107908448 + ... + 107908511.

It is an arithmetic number, because the mean of its divisors is an integer number (1133039040).

Almost surely, 2^6906142688 is an apocalyptic number.

It is an amenable number.

6906142688 is a deficient number, since it is larger than the sum of its proper divisors (6690325792).

6906142688 is a wasteful number, since it uses less digits than its factorization.

6906142688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215816969 (or 215816961 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 6906142688 is about 83103.2050404796. The cubic root of 6906142688 is about 1904.3430371968.

The spelling of 6906142688 in words is "six billion, nine hundred six million, one hundred forty-two thousand, six hundred eighty-eight".