2049384047 has 4 divisors (see below), whose sum is σ = 2052581856. Its totient is φ = 2046186240.

The previous prime is 2049384013. The next prime is 2049384059. The reversal of 2049384047 is 7404839402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049384047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2049383995 and 2049384013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049384247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597943 + ... + 1599224.

It is an arithmetic number, because the mean of its divisors is an integer number (513145464).

Almost surely, 2^2049384047 is an apocalyptic number.

2049384047 is a deficient number, since it is larger than the sum of its proper divisors (3197809).

2049384047 is an equidigital number, since it uses as much as digits as its factorization.

2049384047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197808.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 2049384047 is about 45270.1231166870. The cubic root of 2049384047 is about 1270.2068497682.

The spelling of 2049384047 in words is "two billion, forty-nine million, three hundred eighty-four thousand, forty-seven".