6930291917 has 2 divisors, whose sum is σ = 6930291918. Its totient is φ = 6930291916.

The previous prime is 6930291913. The next prime is 6930291947. The reversal of 6930291917 is 7191920396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5391377476 + 1538914441 = 73426^2 + 39229^2 .

It is a cyclic number.

It is not a de Polignac number, because 6930291917 - 2² = 6930291913 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6930291913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465145958 + 3465145959.

It is an arithmetic number, because the mean of its divisors is an integer number (3465145959).

Almost surely, 2^6930291917 is an apocalyptic number.

It is an amenable number.

6930291917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6930291917 is an equidigital number, since it uses as much as digits as its factorization.

6930291917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 6930291917 is about 83248.3748610146. The cubic root of 6930291917 is about 1906.5601415123.

The spelling of 6930291917 in words is "six billion, nine hundred thirty million, two hundred ninety-one thousand, nine hundred seventeen".