2049884659 has 4 divisors (see below), whose sum is σ = 2056476240. Its totient is φ = 2043293080.

The previous prime is 2049884609. The next prime is 2049884663. The reversal of 2049884659 is 9564889402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9564889402 = 2 ⋅4782444701.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049884659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2049884609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295324 + ... + 3295945.

It is an arithmetic number, because the mean of its divisors is an integer number (514119060).

Almost surely, 2^2049884659 is an apocalyptic number.

2049884659 is a deficient number, since it is larger than the sum of its proper divisors (6591581).

2049884659 is an equidigital number, since it uses as much as digits as its factorization.

2049884659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6591580.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 2049884659 is about 45275.6519445054. The cubic root of 2049884659 is about 1270.3102676745.

The spelling of 2049884659 in words is "two billion, forty-nine million, eight hundred eighty-four thousand, six hundred fifty-nine".