2188389936 has 40 divisors (see below), whose sum is σ = 5773630464. Its totient is φ = 713942080.

The previous prime is 2188389871. The next prime is 2188389941. The reversal of 2188389936 is 6399838812.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 482760 + ... + 487271.

Almost surely, 2^2188389936 is an apocalyptic number.

It is an amenable number.

2188389936 is an abundant number, since it is smaller than the sum of its proper divisors (3585240528).

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

2188389936 is a wasteful number, since it uses less digits than its factorization.

2188389936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970089 (or 970083 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The square root of 2188389936 is about 46780.2301832729. The cubic root of 2188389936 is about 1298.2995392123.

The spelling of 2188389936 in words is "two billion, one hundred eighty-eight million, three hundred eighty-nine thousand, nine hundred thirty-six".