6698450197 has 2 divisors, whose sum is σ = 6698450198. Its totient is φ = 6698450196.

The previous prime is 6698450167. The next prime is 6698450203. The reversal of 6698450197 is 7910548966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4749139396 + 1949310801 = 68914^2 + 44151^2 .

It is a cyclic number.

It is not a de Polignac number, because 6698450197 - 2¹¹ = 6698448149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6698450107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3349225098 + 3349225099.

It is an arithmetic number, because the mean of its divisors is an integer number (3349225099).

Almost surely, 2^6698450197 is an apocalyptic number.

It is an amenable number.

6698450197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6698450197 is an equidigital number, since it uses as much as digits as its factorization.

6698450197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 6698450197 is about 81844.0602426346. The cubic root of 6698450197 is about 1885.0582618892.

The spelling of 6698450197 in words is "six billion, six hundred ninety-eight million, four hundred fifty thousand, one hundred ninety-seven".