36209969949888 has 392 divisors, whose sum is σ = 125985592080128. Its totient is φ = 10105103973888.

The previous prime is 36209969949823. The next prime is 36209969949929. The reversal of 36209969949888 is 88894996990263.

36209969949888 is a `hidden beast` number, since 3 + 6 + 20 + 9 + 9 + 6 + 99 + 498 + 8 + 8 = 666.

36209969949888 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36209969949888² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36209969949798 and 36209969949807.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 12754245 + ... + 15332667.

Almost surely, 2^{36209969949888} 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 36209969949888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62992796040064).

36209969949888 is an abundant number, since it is smaller than the sum of its proper divisors (89775622130240).

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

36209969949888 is an equidigital number, since it uses as much as digits as its factorization.

36209969949888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578503 (or 2578478 counting only the distinct ones).

The product of its (nonzero) digits is 26121388032, while the sum is 90.

The spelling of 36209969949888 in words is "thirty-six trillion, two hundred nine billion, nine hundred sixty-nine million, nine hundred forty-nine thousand, eight hundred eighty-eight".