36809736520194 has 96 divisors (see below), whose sum is σ = 89939649744000. Its totient is φ = 11151004756320.

The previous prime is 36809736520189. The next prime is 36809736520279. The reversal of 36809736520194 is 49102563790863.

36809736520194 is a `hidden beast` number, since 3 + 6 + 8 + 0 + 97 + 3 + 6 + 520 + 19 + 4 = 666.

It is a super-2 number, since 2×36809736520194² (a number of 28 digits) contains 22 as substring.

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, 20225947 + ... + 21970625.

It is an arithmetic number, because the mean of its divisors is an integer number (936871351500).

It is a 1-persistent number, because it is pandigital, but 2⋅36809736520194 = 73619473040388 is not.

Almost surely, 2^{36809736520194} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36809736520194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44969824872000).

36809736520194 is an abundant number, since it is smaller than the sum of its proper divisors (53129913223806).

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

36809736520194 is a wasteful number, since it uses less digits than its factorization.

36809736520194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747941 (or 1747924 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 36809736520194 in words is "thirty-six trillion, eight hundred nine billion, seven hundred thirty-six million, five hundred twenty thousand, one hundred ninety-four".