2149784708 has 24 divisors (see below), whose sum is σ = 3994324992. Its totient is φ = 1008895104.

The previous prime is 2149784687. The next prime is 2149784783. The reversal of 2149784708 is 8074879412.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18116 + ... + 68027.

It is an arithmetic number, because the mean of its divisors is an integer number (166430208).

Almost surely, 2^2149784708 is an apocalyptic number.

It is an amenable number.

2149784708 is a deficient number, since it is larger than the sum of its proper divisors (1844540284).

2149784708 is a wasteful number, since it uses less digits than its factorization.

2149784708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86531 (or 86529 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 2149784708 is about 46365.7708660171. The cubic root of 2149784708 is about 1290.6197987100.

The spelling of 2149784708 in words is "two billion, one hundred forty-nine million, seven hundred eighty-four thousand, seven hundred eight".