6939133133 has 2 divisors, whose sum is σ = 6939133134. Its totient is φ = 6939133132.

The previous prime is 6939133129. The next prime is 6939133139. The reversal of 6939133133 is 3313319396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5863424329 + 1075708804 = 76573^2 + 32798^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939133133 - 2² = 6939133129 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6939133139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469566566 + 3469566567.

It is an arithmetic number, because the mean of its divisors is an integer number (3469566567).

Almost surely, 2^6939133133 is an apocalyptic number.

It is an amenable number.

6939133133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939133133 is an equidigital number, since it uses as much as digits as its factorization.

6939133133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118098, while the sum is 41.

The square root of 6939133133 is about 83301.4593689690. The cubic root of 6939133133 is about 1907.3705521580.

The spelling of 6939133133 in words is "six billion, nine hundred thirty-nine million, one hundred thirty-three thousand, one hundred thirty-three".