6873245128 has 16 divisors (see below), whose sum is σ = 12890514780. Its totient is φ = 3435774528.

The previous prime is 6873245123. The next prime is 6873245131. The reversal of 6873245128 is 8215423786.

It can be written as a sum of positive squares in 2 ways, for example, as 6823090404 + 50154724 = 82602^2 + 7082^2 .

It is not an unprimeable number, because it can be changed into a prime (6873245123) 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 3 ways as a sum of consecutive naturals, for example, 70875 + ... + 137002.

Almost surely, 2^6873245128 is an apocalyptic number.

It is an amenable number.

6873245128 is a deficient number, since it is larger than the sum of its proper divisors (6017269652).

6873245128 is a wasteful number, since it uses less digits than its factorization.

6873245128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212016 (or 212012 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 6873245128 is about 82905.0368071808. The cubic root of 6873245128 is about 1901.3144300728.

The spelling of 6873245128 in words is "six billion, eight hundred seventy-three million, two hundred forty-five thousand, one hundred twenty-eight".