2049648019 has 8 divisors (see below), whose sum is σ = 2100604352. Its totient is φ = 1998841320.

The previous prime is 2049647953. The next prime is 2049648037. The reversal of 2049648019 is 9108469402.

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 2049648019 - 2¹¹ = 2049645971 is a prime.

It is a super-2 number, since 2×2049648019² = 8402114003581248722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2049648079) 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, 9417 + ... + 64714.

It is an arithmetic number, because the mean of its divisors is an integer number (262575544).

Almost surely, 2^2049648019 is an apocalyptic number.

2049648019 is a deficient number, since it is larger than the sum of its proper divisors (50956333).

2049648019 is an equidigital number, since it uses as much as digits as its factorization.

2049648019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74817.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 2049648019 is about 45273.0385439281. The cubic root of 2049648019 is about 1270.2613839827.

The spelling of 2049648019 in words is "two billion, forty-nine million, six hundred forty-eight thousand, nineteen".