6198727859 has 2 divisors, whose sum is σ = 6198727860. Its totient is φ = 6198727858.

The previous prime is 6198727813. The next prime is 6198727879. The reversal of 6198727859 is 9587278916.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6198727859 - 2¹² = 6198723763 is a prime.

It is not a weakly prime, because it can be changed into another prime (6198727879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3099363929 + 3099363930.

It is an arithmetic number, because the mean of its divisors is an integer number (3099363930).

Almost surely, 2^6198727859 is an apocalyptic number.

6198727859 is a deficient number, since it is larger than the sum of its proper divisors (1).

6198727859 is an equidigital number, since it uses as much as digits as its factorization.

6198727859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 62.

The square root of 6198727859 is about 78732.0002222730. Note that the first 3 decimals coincide. The cubic root of 6198727859 is about 1836.9648942041.

The spelling of 6198727859 in words is "six billion, one hundred ninety-eight million, seven hundred twenty-seven thousand, eight hundred fifty-nine".