698013385920 has 336 divisors, whose sum is σ = 2487841973760. Its totient is φ = 179504252928.

The previous prime is 698013385919. The next prime is 698013385931. The reversal of 698013385920 is 29583310896.

698013385920 is a `hidden beast` number, since 6 + 9 + 8 + 0 + 13 + 38 + 592 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9747687 + ... + 9819033.

Almost surely, 2^698013385920 is an apocalyptic number.

698013385920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698013385920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243920986880).

698013385920 is an abundant number, since it is smaller than the sum of its proper divisors (1789828587840).

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

698013385920 is a wasteful number, since it uses less digits than its factorization.

698013385920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71492 (or 71479 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

It can be divided in two parts, 6980 and 13385920, that added together give a triangular number (13392900 = T₅₁₇₅).

The spelling of 698013385920 in words is "six hundred ninety-eight billion, thirteen million, three hundred eighty-five thousand, nine hundred twenty".