6909715133 has 2 divisors, whose sum is σ = 6909715134. Its totient is φ = 6909715132.

The previous prime is 6909715069. The next prime is 6909715151. The reversal of 6909715133 is 3315179096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4224610009 + 2685105124 = 64997^2 + 51818^2 .

It is a cyclic number.

It is not a de Polignac number, because 6909715133 - 2⁶ = 6909715069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6909715933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3454857566 + 3454857567.

It is an arithmetic number, because the mean of its divisors is an integer number (3454857567).

Almost surely, 2^6909715133 is an apocalyptic number.

It is an amenable number.

6909715133 is a deficient number, since it is larger than the sum of its proper divisors (1).

6909715133 is an equidigital number, since it uses as much as digits as its factorization.

6909715133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 6909715133 is about 83124.6962881670. The cubic root of 6909715133 is about 1904.6713433800.

The spelling of 6909715133 in words is "six billion, nine hundred nine million, seven hundred fifteen thousand, one hundred thirty-three".