6209097818 has 192 divisors, whose sum is σ = 13074432000. Its totient is φ = 2200413600.

The previous prime is 6209097793. The next prime is 6209097827. The reversal of 6209097818 is 8187909026.

It is a super-2 number, since 2×6209097818² = 77105791426984722248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 48890471 + ... + 48890597.

It is an arithmetic number, because the mean of its divisors is an integer number (68096000).

Almost surely, 2^6209097818 is an apocalyptic number.

6209097818 is an abundant number, since it is smaller than the sum of its proper divisors (6865334182).

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

6209097818 is a wasteful number, since it uses less digits than its factorization.

6209097818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 50.

The square root of 6209097818 is about 78797.8287645034. The cubic root of 6209097818 is about 1837.9886869524.

The spelling of 6209097818 in words is "six billion, two hundred nine million, ninety-seven thousand, eight hundred eighteen".