6723142544 has 20 divisors (see below), whose sum is σ = 13044961200. Its totient is φ = 3356700960.

The previous prime is 6723142477. The next prime is 6723142549. The reversal of 6723142544 is 4452413276.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6723142498 and 6723142507.

It is not an unprimeable number, because it can be changed into a prime (6723142549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292994 + ... + 315105.

It is an arithmetic number, because the mean of its divisors is an integer number (652248060).

Almost surely, 2^6723142544 is an apocalyptic number.

It is an amenable number.

6723142544 is a deficient number, since it is larger than the sum of its proper divisors (6321818656).

6723142544 is a wasteful number, since it uses less digits than its factorization.

6723142544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608798 (or 608792 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 6723142544 is about 81994.7714430621. The cubic root of 6723142544 is about 1887.3717042397.

The spelling of 6723142544 in words is "six billion, seven hundred twenty-three million, one hundred forty-two thousand, five hundred forty-four".