2189936582 has 16 divisors (see below), whose sum is σ = 3432838752. Its totient is φ = 1045799040.

The previous prime is 2189936543. The next prime is 2189936591. The reversal of 2189936582 is 2856399812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4019 + ... + 66302.

It is an arithmetic number, because the mean of its divisors is an integer number (214552422).

Almost surely, 2^2189936582 is an apocalyptic number.

2189936582 is a deficient number, since it is larger than the sum of its proper divisors (1242902170).

2189936582 is a wasteful number, since it uses less digits than its factorization.

2189936582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71023.

The product of its digits is 1866240, while the sum is 53.

The square root of 2189936582 is about 46796.7582424253. The cubic root of 2189936582 is about 1298.6053251979.

The spelling of 2189936582 in words is "two billion, one hundred eighty-nine million, nine hundred thirty-six thousand, five hundred eighty-two".