36921910921740 has 576 divisors, whose sum is σ = 122769097651200. Its totient is φ = 8927642769408.

The previous prime is 36921910921739. The next prime is 36921910921759. The reversal of 36921910921740 is 4712901912963.

36921910921740 is a `hidden beast` number, since 369 + 2 + 1 + 9 + 109 + 2 + 174 + 0 = 666.

It is a super-3 number, since 3×36921910921740³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16944427971 + ... + 16944430149.

Almost surely, 2^{36921910921740} is an apocalyptic number.

36921910921740 is a gapful number since it is divisible by the number (30) 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 36921910921740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61384548825600).

36921910921740 is an abundant number, since it is smaller than the sum of its proper divisors (85847186729460).

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

36921910921740 is a wasteful number, since it uses less digits than its factorization.

36921910921740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2841 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 36921910921740 in words is "thirty-six trillion, nine hundred twenty-one billion, nine hundred ten million, nine hundred twenty-one thousand, seven hundred forty".