698869891072 has 120 divisors (see below), whose sum is σ = 1420743566592. Its totient is φ = 343719936000.

The previous prime is 698869891061. The next prime is 698869891079. The reversal of 698869891072 is 270198968896.

It is a junction number, because it is equal to n+sod(n) for n = 698869890986 and 698869891004.

It is not an unprimeable number, because it can be changed into a prime (698869891079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269728497 + ... + 269731087.

Almost surely, 2^698869891072 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 698869891072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710371783296).

698869891072 is an abundant number, since it is smaller than the sum of its proper divisors (721873675520).

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

698869891072 is a wasteful number, since it uses less digits than its factorization.

698869891072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 2857 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 73.

The spelling of 698869891072 in words is "six hundred ninety-eight billion, eight hundred sixty-nine million, eight hundred ninety-one thousand, seventy-two".