2046749939 has 8 divisors (see below), whose sum is σ = 2320202640. Its totient is φ = 1789870176.

The previous prime is 2046749917. The next prime is 2046749941. The reversal of 2046749939 is 9399476402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2046749939 - 2²⁰ = 2045701363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2046749909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4142972 + ... + 4143465.

It is an arithmetic number, because the mean of its divisors is an integer number (290025330).

Almost surely, 2^2046749939 is an apocalyptic number.

2046749939 is a deficient number, since it is larger than the sum of its proper divisors (273452701).

2046749939 is a wasteful number, since it uses less digits than its factorization.

2046749939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286469.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 2046749939 is about 45241.0205344663. The cubic root of 2046749939 is about 1269.6624103220.

The spelling of 2046749939 in words is "two billion, forty-six million, seven hundred forty-nine thousand, nine hundred thirty-nine".