2127839930 has 32 divisors (see below), whose sum is σ = 3916118016. Its totient is φ = 832065664.

The previous prime is 2127839891. The next prime is 2127839933. The reversal of 2127839930 is 399387212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2127839933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513527 + ... + 517653.

It is an arithmetic number, because the mean of its divisors is an integer number (122378688).

Almost surely, 2^2127839930 is an apocalyptic number.

2127839930 is a deficient number, since it is larger than the sum of its proper divisors (1788278086).

2127839930 is a wasteful number, since it uses less digits than its factorization.

2127839930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 2127839930 is about 46128.5153673950. The cubic root of 2127839930 is about 1286.2132666339.

The spelling of 2127839930 in words is "two billion, one hundred twenty-seven million, eight hundred thirty-nine thousand, nine hundred thirty".