2043721006 has 16 divisors (see below), whose sum is σ = 3099444480. Its totient is φ = 1010607840.

The previous prime is 2043720983. The next prime is 2043721027. The reversal of 2043721006 is 6001273402.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 113011 + ... + 129841.

It is an arithmetic number, because the mean of its divisors is an integer number (193715280).

Almost surely, 2^2043721006 is an apocalyptic number.

2043721006 is a deficient number, since it is larger than the sum of its proper divisors (1055723474).

2043721006 is a wasteful number, since it uses less digits than its factorization.

2043721006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17499.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2043721006 is about 45207.5326245527. The cubic root of 2043721006 is about 1269.0357874465.

Adding to 2043721006 its reverse (6001273402), we get a palindrome (8044994408).

The spelling of 2043721006 in words is "two billion, forty-three million, seven hundred twenty-one thousand, six".