698849726484 has 288 divisors, whose sum is σ = 2122761510912. Its totient is φ = 177176160000.

The previous prime is 698849726483. The next prime is 698849726501. The reversal of 698849726484 is 484627948896.

It is a super-2 number, since 2×698849726484² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698849726483) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35771799 + ... + 35791329.

Almost surely, 2^698849726484 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 698849726484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061380755456).

698849726484 is an abundant number, since it is smaller than the sum of its proper divisors (1423911784428).

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

698849726484 is a wasteful number, since it uses less digits than its factorization.

698849726484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19747 (or 19738 counting only the distinct ones).

The product of its digits is 1337720832, while the sum is 75.

The spelling of 698849726484 in words is "six hundred ninety-eight billion, eight hundred forty-nine million, seven hundred twenty-six thousand, four hundred eighty-four".