2188769046 has 8 divisors (see below), whose sum is σ = 4377538104. Its totient is φ = 729589680.

The previous prime is 2188769041. The next prime is 2188769059. The reversal of 2188769046 is 6409678812.

It is a sphenic number, since it is the product of 3 distinct primes.

2188769046 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2188769046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188769041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 182397415 + ... + 182397426.

It is an arithmetic number, because the mean of its divisors is an integer number (547192263).

Almost surely, 2^2188769046 is an apocalyptic number.

2188769046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2188769046 is a wasteful number, since it uses less digits than its factorization.

2188769046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364794846.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 2188769046 is about 46784.2820400185. The cubic root of 2188769046 is about 1298.3745060346.

The spelling of 2188769046 in words is "two billion, one hundred eighty-eight million, seven hundred sixty-nine thousand, forty-six".