2909638329 has 16 divisors (see below), whose sum is σ = 4246436544. Its totient is φ = 1761192000.

The previous prime is 2909638313. The next prime is 2909638339. The reversal of 2909638329 is 9238369092.

It is not a de Polignac number, because 2909638329 - 2⁴ = 2909638313 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2909638309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609147 + ... + 613904.

It is an arithmetic number, because the mean of its divisors is an integer number (265402284).

Almost surely, 2^2909638329 is an apocalyptic number.

It is an amenable number.

2909638329 is a deficient number, since it is larger than the sum of its proper divisors (1336798215).

2909638329 is a wasteful number, since it uses less digits than its factorization.

2909638329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223128.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 2909638329 is about 53941.0634767243. The cubic root of 2909638329 is about 1427.6212476004.

The spelling of 2909638329 in words is "two billion, nine hundred nine million, six hundred thirty-eight thousand, three hundred twenty-nine".