2049904366 has 4 divisors (see below), whose sum is σ = 3074856552. Its totient is φ = 1024952182.

The previous prime is 2049904349. The next prime is 2049904379. The reversal of 2049904366 is 6634099402.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 512476090 + ... + 512476093.

It is an arithmetic number, because the mean of its divisors is an integer number (768714138).

Almost surely, 2^2049904366 is an apocalyptic number.

2049904366 is a deficient number, since it is larger than the sum of its proper divisors (1024952186).

2049904366 is a wasteful number, since it uses less digits than its factorization.

2049904366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024952185.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 2049904366 is about 45275.8695775134. The cubic root of 2049904366 is about 1270.3143384603.

The spelling of 2049904366 in words is "two billion, forty-nine million, nine hundred four thousand, three hundred sixty-six".