2139924099 has 16 divisors (see below), whose sum is σ = 2887587360. Its totient is φ = 1409464320.

The previous prime is 2139924097. The next prime is 2139924151. The reversal of 2139924099 is 9904299312.

It is not a de Polignac number, because 2139924099 - 2¹ = 2139924097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2139924091) 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, 457179 + ... + 461835.

It is an arithmetic number, because the mean of its divisors is an integer number (180474210).

Almost surely, 2^2139924099 is an apocalyptic number.

2139924099 is a deficient number, since it is larger than the sum of its proper divisors (747663261).

2139924099 is a wasteful number, since it uses less digits than its factorization.

2139924099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 2139924099 is about 46259.3136460108. The cubic root of 2139924099 is about 1288.6435070836.

The spelling of 2139924099 in words is "two billion, one hundred thirty-nine million, nine hundred twenty-four thousand, ninety-nine".