2049378206 has 16 divisors (see below), whose sum is σ = 3185166240. Its totient is φ = 987769440.

The previous prime is 2049378181. The next prime is 2049378211. The reversal of 2049378206 is 6028739402.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8600 + ... + 64596.

It is an arithmetic number, because the mean of its divisors is an integer number (199072890).

Almost surely, 2^2049378206 is an apocalyptic number.

2049378206 is a deficient number, since it is larger than the sum of its proper divisors (1135788034).

2049378206 is a wasteful number, since it uses less digits than its factorization.

2049378206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56659.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2049378206 is about 45270.0586038940. The cubic root of 2049378206 is about 1270.2056430178.

The spelling of 2049378206 in words is "two billion, forty-nine million, three hundred seventy-eight thousand, two hundred six".