6198449398 has 16 divisors (see below), whose sum is σ = 9517107600. Its totient is φ = 3026128896.

The previous prime is 6198449381. The next prime is 6198449399. The reversal of 6198449398 is 8939448916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6198449399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286878 + ... + 307726.

It is an arithmetic number, because the mean of its divisors is an integer number (594819225).

Almost surely, 2^6198449398 is an apocalyptic number.

6198449398 is a deficient number, since it is larger than the sum of its proper divisors (3318658202).

6198449398 is a wasteful number, since it uses less digits than its factorization.

6198449398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24351.

The product of its digits is 13436928, while the sum is 61.

The square root of 6198449398 is about 78730.2317918600. The cubic root of 6198449398 is about 1836.9373869073.

The spelling of 6198449398 in words is "six billion, one hundred ninety-eight million, four hundred forty-nine thousand, three hundred ninety-eight".