698732218368 has 324 divisors, whose sum is σ = 2077778073735. Its totient is φ = 226215075840.

The previous prime is 698732218363. The next prime is 698732218369. The reversal of 698732218368 is 863812237896.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 349366109184 + 349366109184 = 591072^2 + 591072^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=591072.

Its product of digits (41803776) is a multiple of the sum of its prime factors (384).

It is not an unprimeable number, because it can be changed into a prime (698732218363) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 5333833663 + ... + 5333833793.

Almost surely, 2^698732218368 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 698732218368

698732218368 is an abundant number, since it is smaller than the sum of its proper divisors (1379045855367).

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

698732218368 is an equidigital number, since it uses as much as digits as its factorization.

698732218368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 183 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 698732218368 in words is "six hundred ninety-eight billion, seven hundred thirty-two million, two hundred eighteen thousand, three hundred sixty-eight".