6198493109 has 8 divisors (see below), whose sum is σ = 6226515840. Its totient is φ = 6170531616.

The previous prime is 6198493079. The next prime is 6198493159. The reversal of 6198493109 is 9013948916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6198493109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6198493159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193982 + ... + 223664.

It is an arithmetic number, because the mean of its divisors is an integer number (778314480).

Almost surely, 2^6198493109 is an apocalyptic number.

It is an amenable number.

6198493109 is a deficient number, since it is larger than the sum of its proper divisors (28022731).

6198493109 is a wasteful number, since it uses less digits than its factorization.

6198493109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30619.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 6198493109 is about 78730.5093912138. The cubic root of 6198493109 is about 1836.9417048787.

The spelling of 6198493109 in words is "six billion, one hundred ninety-eight million, four hundred ninety-three thousand, one hundred nine".