2073839906 has 4 divisors (see below), whose sum is σ = 3110759862. Its totient is φ = 1036919952.

The previous prime is 2073839903. The next prime is 2073839927. The reversal of 2073839906 is 6099383702.

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

It can be written as a sum of positive squares in only one way, i.e., 1655269225 + 418570681 = 40685^2 + 20459^2 .

It is not an unprimeable number, because it can be changed into a prime (2073839903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518459975 + ... + 518459978.

Almost surely, 2^2073839906 is an apocalyptic number.

2073839906 is a deficient number, since it is larger than the sum of its proper divisors (1036919956).

2073839906 is a wasteful number, since it uses less digits than its factorization.

2073839906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036919955.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 2073839906 is about 45539.4324294891. The cubic root of 2073839906 is about 1275.2394590098.

The spelling of 2073839906 in words is "two billion, seventy-three million, eight hundred thirty-nine thousand, nine hundred six".