2149899292 has 12 divisors (see below), whose sum is σ = 3779196736. Its totient is φ = 1070128800.

The previous prime is 2149899281. The next prime is 2149899313. The reversal of 2149899292 is 2929989412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204209 + ... + 1205992.

Almost surely, 2^2149899292 is an apocalyptic number.

It is an amenable number.

2149899292 is a deficient number, since it is larger than the sum of its proper divisors (1629297444).

2149899292 is a wasteful number, since it uses less digits than its factorization.

2149899292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2410428 (or 2410426 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 55.

The square root of 2149899292 is about 46367.0065024690. The cubic root of 2149899292 is about 1290.6427284094.

The spelling of 2149899292 in words is "two billion, one hundred forty-nine million, eight hundred ninety-nine thousand, two hundred ninety-two".