9698518138 has 8 divisors (see below), whose sum is σ = 14551205760. Its totient is φ = 4848116220.

The previous prime is 9698518121. The next prime is 9698518171. The reversal of 9698518138 is 8318158969.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×9698518138³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560778 + ... + 577813.

It is an arithmetic number, because the mean of its divisors is an integer number (1818900720).

Almost surely, 2^9698518138 is an apocalyptic number.

9698518138 is a deficient number, since it is larger than the sum of its proper divisors (4852687622).

9698518138 is a wasteful number, since it uses less digits than its factorization.

9698518138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142852.

The product of its digits is 3732480, while the sum is 58.

The square root of 9698518138 is about 98481.0547161229. The cubic root of 9698518138 is about 2132.5626277599.

The spelling of 9698518138 in words is "nine billion, six hundred ninety-eight million, five hundred eighteen thousand, one hundred thirty-eight".