2149256216 has 16 divisors (see below), whose sum is σ = 4060619640. Its totient is φ = 1066424320.

The previous prime is 2149256209. The next prime is 2149256227. The reversal of 2149256216 is 6126529412.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2149256216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024361 + ... + 1026456.

Almost surely, 2^2149256216 is an apocalyptic number.

It is an amenable number.

2149256216 is a deficient number, since it is larger than the sum of its proper divisors (1911363424).

2149256216 is a wasteful number, since it uses less digits than its factorization.

2149256216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050954 (or 2050950 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 2149256216 is about 46360.0713545611. The cubic root of 2149256216 is about 1290.5140302677.

The spelling of 2149256216 in words is "two billion, one hundred forty-nine million, two hundred fifty-six thousand, two hundred sixteen".