13608355700 has 72 divisors (see below), whose sum is σ = 29909778360. Its totient is φ = 5373734400.

The previous prime is 13608355699. The next prime is 13608355771. The reversal of 13608355700 is 755380631.

It can be written as a sum of positive squares in 12 ways, for example, as 275958544 + 13332397156 = 16612^2 + 115466^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3191570 + ... + 3195830.

Almost surely, 2^13608355700 is an apocalyptic number.

13608355700 is a gapful number since it is divisible by the number (10) 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 13608355700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14954889180).

13608355700 is an abundant number, since it is smaller than the sum of its proper divisors (16301422660).

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

13608355700 is a wasteful number, since it uses less digits than its factorization.

13608355700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 13608355700 in words is "thirteen billion, six hundred eight million, three hundred fifty-five thousand, seven hundred".