2149993208 has 16 divisors (see below), whose sum is σ = 4397713560. Its totient is φ = 977269600.

The previous prime is 2149993207. The next prime is 2149993229. The reversal of 2149993208 is 8023999412.

It is a super-2 number, since 2×2149993208² = 9244941588892262528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149993207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12215783 + ... + 12215958.

Almost surely, 2^2149993208 is an apocalyptic number.

It is an amenable number.

2149993208 is an abundant number, since it is smaller than the sum of its proper divisors (2247720352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2149993208 is a wasteful number, since it uses less digits than its factorization.

2149993208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24431758 (or 24431754 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 2149993208 is about 46368.0192374011. The cubic root of 2149993208 is about 1290.6615215746.

The spelling of 2149993208 in words is "two billion, one hundred forty-nine million, nine hundred ninety-three thousand, two hundred eight".