2149839366 has 32 divisors (see below), whose sum is σ = 4327585920. Its totient is φ = 711975936.

The previous prime is 2149839343. The next prime is 2149839383. The reversal of 2149839366 is 6639389412.

It is a super-4 number, since 4×2149839366⁴ (a number of 38 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 798150 + ... + 800838.

It is an arithmetic number, because the mean of its divisors is an integer number (135237060).

Almost surely, 2^2149839366 is an apocalyptic number.

2149839366 is an abundant number, since it is smaller than the sum of its proper divisors (2177746554).

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

2149839366 is a wasteful number, since it uses less digits than its factorization.

2149839366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508.

The product of its digits is 1679616, while the sum is 51.

The square root of 2149839366 is about 46366.3602841543. The cubic root of 2149839366 is about 1290.6307365648.

The spelling of 2149839366 in words is "two billion, one hundred forty-nine million, eight hundred thirty-nine thousand, three hundred sixty-six".