2149351826 has 16 divisors (see below), whose sum is σ = 3274967040. Its totient is φ = 1057723920.

The previous prime is 2149351753. The next prime is 2149351873. The reversal of 2149351826 is 6281539412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165116 + ... + 177656.

It is an arithmetic number, because the mean of its divisors is an integer number (204685440).

Almost surely, 2^2149351826 is an apocalyptic number.

2149351826 is a deficient number, since it is larger than the sum of its proper divisors (1125615214).

2149351826 is a wasteful number, since it uses less digits than its factorization.

2149351826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13889.

The product of its digits is 103680, while the sum is 41.

The square root of 2149351826 is about 46361.1025106177. The cubic root of 2149351826 is about 1290.5331662236.

The spelling of 2149351826 in words is "two billion, one hundred forty-nine million, three hundred fifty-one thousand, eight hundred twenty-six".