2188493848 has 16 divisors (see below), whose sum is σ = 4105638000. Its totient is φ = 1093657056.

The previous prime is 2188493843. The next prime is 2188493851. The reversal of 2188493848 is 8483948812.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188493843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57763 + ... + 87826.

It is an arithmetic number, because the mean of its divisors is an integer number (256602375).

Almost surely, 2^2188493848 is an apocalyptic number.

It is an amenable number.

2188493848 is a deficient number, since it is larger than the sum of its proper divisors (1917144152).

2188493848 is a wasteful number, since it uses less digits than its factorization.

2188493848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147474 (or 147470 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The square root of 2188493848 is about 46781.3408101991. The cubic root of 2188493848 is about 1298.3200880740.

The spelling of 2188493848 in words is "two billion, one hundred eighty-eight million, four hundred ninety-three thousand, eight hundred forty-eight".