6419886198 has 16 divisors (see below), whose sum is σ = 14007024576. Its totient is φ = 1945420040.

The previous prime is 6419886163. The next prime is 6419886271. The reversal of 6419886198 is 8916889146.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48635436 + ... + 48635567.

It is an arithmetic number, because the mean of its divisors is an integer number (875439036).

Almost surely, 2^6419886198 is an apocalyptic number.

6419886198 is an abundant number, since it is smaller than the sum of its proper divisors (7587138378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6419886198 is a wasteful number, since it uses less digits than its factorization.

6419886198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97271019.

The product of its digits is 5971968, while the sum is 60.

The square root of 6419886198 is about 80124.1923391431. The cubic root of 6419886198 is about 1858.5565358792.

The spelling of 6419886198 in words is "six billion, four hundred nineteen million, eight hundred eighty-six thousand, one hundred ninety-eight".