2049638843 has 8 divisors (see below), whose sum is σ = 2386641888. Its totient is φ = 1723685184.

The previous prime is 2049638827. The next prime is 2049638891. The reversal of 2049638843 is 3488369402.

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 2049638843 - 2⁴ = 2049638827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049638893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2761946 + ... + 2762687.

It is an arithmetic number, because the mean of its divisors is an integer number (298330236).

Almost surely, 2^2049638843 is an apocalyptic number.

2049638843 is a deficient number, since it is larger than the sum of its proper divisors (337003045).

2049638843 is an equidigital number, since it uses as much as digits as its factorization.

2049638843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524693.

The product of its (nonzero) digits is 995328, while the sum is 47.

The square root of 2049638843 is about 45272.9372031460. The cubic root of 2049638843 is about 1270.2594883831.

The spelling of 2049638843 in words is "two billion, forty-nine million, six hundred thirty-eight thousand, eight hundred forty-three".