698198764032 has 720 divisors, whose sum is σ = 2581591240800. Its totient is φ = 179616890880.

The previous prime is 698198764019. The next prime is 698198764127. The reversal of 698198764032 is 230467891896.

698198764032 is a `hidden beast` number, since 69 + 81 + 98 + 7 + 6 + 403 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 71 ways as a sum of consecutive naturals, for example, 270723319 + ... + 270725897.

It is an arithmetic number, because the mean of its divisors is an integer number (3585543390).

Almost surely, 2^698198764032 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 698198764032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290795620400).

698198764032 is an abundant number, since it is smaller than the sum of its proper divisors (1883392476768).

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

698198764032 is a wasteful number, since it uses less digits than its factorization.

698198764032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 698198764032 in words is "six hundred ninety-eight billion, one hundred ninety-eight million, seven hundred sixty-four thousand, thirty-two".