2149004939 has 8 divisors (see below), whose sum is σ = 2190646512. Its totient is φ = 2107404000.

The previous prime is 2149004927. The next prime is 2149004981. The reversal of 2149004939 is 9394009412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149004939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2149004896 and 2149004905.

It is not an unprimeable number, because it can be changed into a prime (2149004989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110297 + ... + 128309.

It is an arithmetic number, because the mean of its divisors is an integer number (273830814).

Almost surely, 2^2149004939 is an apocalyptic number.

2149004939 is a deficient number, since it is larger than the sum of its proper divisors (41641573).

2149004939 is a wasteful number, since it uses less digits than its factorization.

2149004939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 2149004939 is about 46357.3612169632. The cubic root of 2149004939 is about 1290.4637354835.

The spelling of 2149004939 in words is "two billion, one hundred forty-nine million, four thousand, nine hundred thirty-nine".