6696543033 has 24 divisors (see below), whose sum is σ = 10219248000. Its totient is φ = 4218699744.

The previous prime is 6696543031. The next prime is 6696543047. The reversal of 6696543033 is 3303456966.

It is not a de Polignac number, because 6696543033 - 2¹ = 6696543031 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6696543033.

It is not an unprimeable number, because it can be changed into a prime (6696543031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260683 + ... + 285216.

It is an arithmetic number, because the mean of its divisors is an integer number (425802000).

Almost surely, 2^6696543033 is an apocalyptic number.

It is an amenable number.

6696543033 is a deficient number, since it is larger than the sum of its proper divisors (3522704967).

6696543033 is a wasteful number, since it uses less digits than its factorization.

6696543033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545981 (or 545978 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

The square root of 6696543033 is about 81832.4082072622. The cubic root of 6696543033 is about 1884.8793420695.

Adding to 6696543033 its reverse (3303456966), we get a palindrome (9999999999).

The spelling of 6696543033 in words is "six billion, six hundred ninety-six million, five hundred forty-three thousand, thirty-three".