5197667689 has 2 divisors, whose sum is σ = 5197667690. Its totient is φ = 5197667688.

The previous prime is 5197667633. The next prime is 5197667773. The reversal of 5197667689 is 9867667915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3524203225 + 1673464464 = 59365^2 + 40908^2 .

It is a cyclic number.

It is not a de Polignac number, because 5197667689 - 2⁷ = 5197667561 is a prime.

It is a super-3 number, since 3×5197667689³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5197667689.

It is not a weakly prime, because it can be changed into another prime (5197667089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2598833844 + 2598833845.

It is an arithmetic number, because the mean of its divisors is an integer number (2598833845).

Almost surely, 2^5197667689 is an apocalyptic number.

It is an amenable number.

5197667689 is a deficient number, since it is larger than the sum of its proper divisors (1).

5197667689 is an equidigital number, since it uses as much as digits as its factorization.

5197667689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 64.

The square root of 5197667689 is about 72094.8520284216. The cubic root of 5197667689 is about 1732.2191541274.

The spelling of 5197667689 in words is "five billion, one hundred ninety-seven million, six hundred sixty-seven thousand, six hundred eighty-nine".