2188758268 has 12 divisors (see below), whose sum is σ = 3923749872. Its totient is φ = 1067686880.

The previous prime is 2188758241. The next prime is 2188758281. The reversal of 2188758268 is 8628578812.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6672880 + ... + 6673207.

It is an arithmetic number, because the mean of its divisors is an integer number (326979156).

Almost surely, 2^2188758268 is an apocalyptic number.

It is an amenable number.

2188758268 is a deficient number, since it is larger than the sum of its proper divisors (1734991604).

2188758268 is a wasteful number, since it uses less digits than its factorization.

2188758268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346132 (or 13346130 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 55.

The square root of 2188758268 is about 46784.1668516177. The cubic root of 2188758268 is about 1298.3723748666.

The spelling of 2188758268 in words is "two billion, one hundred eighty-eight million, seven hundred fifty-eight thousand, two hundred sixty-eight".