6898530404136 has 128 divisors (see below), whose sum is σ = 19790630726400. Its totient is φ = 1962970122240.

The previous prime is 6898530404093. The next prime is 6898530404149. The reversal of 6898530404136 is 6314040358986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42038566 + ... + 42202346.

It is an arithmetic number, because the mean of its divisors is an integer number (154614302550).

Almost surely, 2^{6898530404136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898530404136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9895315363200).

6898530404136 is an abundant number, since it is smaller than the sum of its proper divisors (12892100322264).

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

6898530404136 is a wasteful number, since it uses less digits than its factorization.

6898530404136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164819 (or 164815 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 6898530404136 in words is "six trillion, eight hundred ninety-eight billion, five hundred thirty million, four hundred four thousand, one hundred thirty-six".