13298195988 has 432 divisors, whose sum is σ = 45013497984. Its totient is φ = 3214909440.

The previous prime is 13298195983. The next prime is 13298196013. The reversal of 13298195988 is 88959189231.

13298195988 is a `hidden beast` number, since 1 + 3 + 29 + 8 + 19 + 598 + 8 = 666.

It is a super-2 number, since 2×13298195988² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13298195983) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 97067056 + ... + 97067192.

It is an arithmetic number, because the mean of its divisors is an integer number (104197912).

Almost surely, 2^13298195988 is an apocalyptic number.

13298195988 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 13298195988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22506748992).

13298195988 is an abundant number, since it is smaller than the sum of its proper divisors (31715301996).

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

13298195988 is a wasteful number, since it uses less digits than its factorization.

13298195988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 276 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 63.

The spelling of 13298195988 in words is "thirteen billion, two hundred ninety-eight million, one hundred ninety-five thousand, nine hundred eighty-eight".