2188956014730 has 160 divisors (see below), whose sum is σ = 5912436157056. Its totient is φ = 581091532416.

The previous prime is 2188956014711. The next prime is 2188956014747. The reversal of 2188956014730 is 374106598812.

2188956014730 is a `hidden beast` number, since 2 + 1 + 8 + 8 + 9 + 560 + 1 + 4 + 73 + 0 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 181846272 + ... + 181858308.

It is a 1-persistent number, because it is pandigital, but 2⋅2188956014730 = 4377912029460 is not.

Almost surely, 2^{2188956014730} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2188956014730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956218078528).

2188956014730 is an abundant number, since it is smaller than the sum of its proper divisors (3723480142326).

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

2188956014730 is a wasteful number, since it uses less digits than its factorization.

2188956014730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050 (or 13041 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 2188956014730 in words is "two trillion, one hundred eighty-eight billion, nine hundred fifty-six million, fourteen thousand, seven hundred thirty".