6198659641 has 2 divisors, whose sum is σ = 6198659642. Its totient is φ = 6198659640.

The previous prime is 6198659627. The next prime is 6198659749. The reversal of 6198659641 is 1469568916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5895168400 + 303491241 = 76780^2 + 17421^2 .

It is a cyclic number.

It is not a de Polignac number, because 6198659641 - 2⁵ = 6198659609 is a prime.

It is not a weakly prime, because it can be changed into another prime (6198659611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099329820 + 3099329821.

It is an arithmetic number, because the mean of its divisors is an integer number (3099329821).

Almost surely, 2^6198659641 is an apocalyptic number.

It is an amenable number.

6198659641 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198659641 is an equidigital number, since it uses as much as digits as its factorization.

6198659641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 55.

The square root of 6198659641 is about 78731.5669918998. The cubic root of 6198659641 is about 1836.9581554810.

The spelling of 6198659641 in words is "six billion, one hundred ninety-eight million, six hundred fifty-nine thousand, six hundred forty-one".