6723142533 has 16 divisors (see below), whose sum is σ = 10484433600. Its totient is φ = 4246194960.

The previous prime is 6723142477. The next prime is 6723142549. The reversal of 6723142533 is 3352413276.

6723142533 is a `hidden beast` number, since 67 + 23 + 1 + 42 + 533 = 666.

It is not a de Polignac number, because 6723142533 - 2⁸ = 6723142277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6723142583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6552258 + ... + 6553283.

It is an arithmetic number, because the mean of its divisors is an integer number (655277100).

Almost surely, 2^6723142533 is an apocalyptic number.

It is an amenable number.

6723142533 is a deficient number, since it is larger than the sum of its proper divisors (3761291067).

6723142533 is a wasteful number, since it uses less digits than its factorization.

6723142533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105569 (or 13105563 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 6723142533 is about 81994.7713759847. The cubic root of 6723142533 is about 1887.3717032104.

The spelling of 6723142533 in words is "six billion, seven hundred twenty-three million, one hundred forty-two thousand, five hundred thirty-three".