6198421579475 has 6 divisors (see below), whose sum is σ = 7686042758580. Its totient is φ = 4958737263560.

The previous prime is 6198421579403. The next prime is 6198421579481. The reversal of 6198421579475 is 5749751248916.

It is a de Polignac number, because none of the positive numbers 2^k-6198421579475 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 123968431565 + ... + 123968431614.

It is an arithmetic number, because the mean of its divisors is an integer number (1281007126430).

Almost surely, 2^{6198421579475} is an apocalyptic number.

6198421579475 is a deficient number, since it is larger than the sum of its proper divisors (1487621179105).

6198421579475 is a wasteful number, since it uses less digits than its factorization.

6198421579475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247936863189 (or 247936863184 counting only the distinct ones).

The product of its digits is 152409600, while the sum is 68.

The spelling of 6198421579475 in words is "six trillion, one hundred ninety-eight billion, four hundred twenty-one million, five hundred seventy-nine thousand, four hundred seventy-five".