6931606349 has 2 divisors, whose sum is σ = 6931606350. Its totient is φ = 6931606348.

The previous prime is 6931606289. The next prime is 6931606369. The reversal of 6931606349 is 9436061396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5444964100 + 1486642249 = 73790^2 + 38557^2 .

It is a cyclic number.

It is not a de Polignac number, because 6931606349 - 2²⁴ = 6914829133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6931606369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465803174 + 3465803175.

It is an arithmetic number, because the mean of its divisors is an integer number (3465803175).

Almost surely, 2^6931606349 is an apocalyptic number.

It is an amenable number.

6931606349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6931606349 is an equidigital number, since it uses as much as digits as its factorization.

6931606349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 47.

The square root of 6931606349 is about 83256.2691273156. The cubic root of 6931606349 is about 1906.6806696358.

The spelling of 6931606349 in words is "six billion, nine hundred thirty-one million, six hundred six thousand, three hundred forty-nine".