13998650688 has 504 divisors, whose sum is σ = 47071568544. Its totient is φ = 4119413760.

The previous prime is 13998650671. The next prime is 13998650711. The reversal of 13998650688 is 88605689931.

13998650688 is a `hidden beast` number, since 1 + 39 + 98 + 6 + 506 + 8 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 80916970 + ... + 80917142.

Almost surely, 2^13998650688 is an apocalyptic number.

13998650688 is a gapful number since it is divisible by the number (18) 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 13998650688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23535784272).

13998650688 is an abundant number, since it is smaller than the sum of its proper divisors (33072917856).

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

13998650688 is a wasteful number, since it uses less digits than its factorization.

13998650688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 13998650688 in words is "thirteen billion, nine hundred ninety-eight million, six hundred fifty thousand, six hundred eighty-eight".