6999425417 has 2 divisors, whose sum is σ = 6999425418. Its totient is φ = 6999425416.

The previous prime is 6999425399. The next prime is 6999425423. The reversal of 6999425417 is 7145249996.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4406171641 + 2593253776 = 66379^2 + 50924^2 .

It is a cyclic number.

It is not a de Polignac number, because 6999425417 - 2⁶ = 6999425353 is a prime.

It is not a weakly prime, because it can be changed into another prime (6999125417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499712708 + 3499712709.

It is an arithmetic number, because the mean of its divisors is an integer number (3499712709).

Almost surely, 2^6999425417 is an apocalyptic number.

It is an amenable number.

6999425417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6999425417 is an equidigital number, since it uses as much as digits as its factorization.

6999425417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The square root of 6999425417 is about 83662.5687927403. The cubic root of 6999425417 is about 1912.8788414480.

The spelling of 6999425417 in words is "six billion, nine hundred ninety-nine million, four hundred twenty-five thousand, four hundred seventeen".