2133733816980 has 144 divisors (see below), whose sum is σ = 7038268932240. Its totient is φ = 521051664384.

The previous prime is 2133733816957. The next prime is 2133733816993. The reversal of 2133733816980 is 896183373312.

2133733816980 is a `hidden beast` number, since 2 + 1 + 3 + 373 + 38 + 169 + 80 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 304796743056 + 1828937073924 = 552084^2 + 1352382^2 .

It is a congruent number.

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, 9309735 + ... + 9536174.

It is an arithmetic number, because the mean of its divisors is an integer number (48876867585).

Almost surely, 2^{2133733816980} is an apocalyptic number.

2133733816980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133733816980 is an abundant number, since it is smaller than the sum of its proper divisors (4904535115260).

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

2133733816980 is a wasteful number, since it uses less digits than its factorization.

2133733816980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18845978 (or 18845973 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 2133733816980 in words is "two trillion, one hundred thirty-three billion, seven hundred thirty-three million, eight hundred sixteen thousand, nine hundred eighty".