2189983672 has 8 divisors (see below), whose sum is σ = 4106219400. Its totient is φ = 1094991832.

The previous prime is 2189983669. The next prime is 2189983693. The reversal of 2189983672 is 2763899812.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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, 136873972 + ... + 136873987.

It is an arithmetic number, because the mean of its divisors is an integer number (513277425).

Almost surely, 2^2189983672 is an apocalyptic number.

It is an amenable number.

2189983672 is a deficient number, since it is larger than the sum of its proper divisors (1916235728).

2189983672 is a wasteful number, since it uses less digits than its factorization.

2189983672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273747965 (or 273747961 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 2189983672 is about 46797.2613728624. The cubic root of 2189983672 is about 1298.6146330605.

The spelling of 2189983672 in words is "two billion, one hundred eighty-nine million, nine hundred eighty-three thousand, six hundred seventy-two".