2189652988 has 6 divisors (see below), whose sum is σ = 3831892736. Its totient is φ = 1094826492.

The previous prime is 2189652979. The next prime is 2189653049. The reversal of 2189652988 is 8892569812.

2189652988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273706620 + ... + 273706627.

Almost surely, 2^2189652988 is an apocalyptic number.

It is an amenable number.

2189652988 is a deficient number, since it is larger than the sum of its proper divisors (1642239748).

2189652988 is a wasteful number, since it uses less digits than its factorization.

2189652988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547413251 (or 547413249 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 58.

The square root of 2189652988 is about 46793.7280840072. The cubic root of 2189652988 is about 1298.5492668658.

The spelling of 2189652988 in words is "two billion, one hundred eighty-nine million, six hundred fifty-two thousand, nine hundred eighty-eight".