6613533873 has 32 divisors (see below), whose sum is σ = 10347079680. Its totient is φ = 4166482320.

The previous prime is 6613533863. The next prime is 6613533877. The reversal of 6613533873 is 3783353166.

It is not a de Polignac number, because 6613533873 - 2¹⁸ = 6613271729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6613533877) 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 31 ways as a sum of consecutive naturals, for example, 12613 + ... + 115698.

It is an arithmetic number, because the mean of its divisors is an integer number (323346240).

Almost surely, 2^6613533873 is an apocalyptic number.

It is an amenable number.

6613533873 is a deficient number, since it is larger than the sum of its proper divisors (3733545807).

6613533873 is a wasteful number, since it uses less digits than its factorization.

6613533873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128426 (or 128420 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 6613533873 is about 81323.6366193741. The cubic root of 6613533873 is about 1877.0587281532.

The spelling of 6613533873 in words is "six billion, six hundred thirteen million, five hundred thirty-three thousand, eight hundred seventy-three".