2043658382 has 4 divisors (see below), whose sum is σ = 3065487576. Its totient is φ = 1021829190.

The previous prime is 2043658381. The next prime is 2043658427. The reversal of 2043658382 is 2838563402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043658381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510914594 + ... + 510914597.

It is an arithmetic number, because the mean of its divisors is an integer number (766371894).

Almost surely, 2^2043658382 is an apocalyptic number.

2043658382 is a deficient number, since it is larger than the sum of its proper divisors (1021829194).

2043658382 is a wasteful number, since it uses less digits than its factorization.

2043658382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021829193.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 2043658382 is about 45206.8399913110. The cubic root of 2043658382 is about 1269.0228253202.

The spelling of 2043658382 in words is "two billion, forty-three million, six hundred fifty-eight thousand, three hundred eighty-two".