2939859309 has 8 divisors (see below), whose sum is σ = 4025753440. Its totient is φ = 1906935696.

The previous prime is 2939859281. The next prime is 2939859319. The reversal of 2939859309 is 9039589392.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2939859309 - 2⁵ = 2939859277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939859319) 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 7 ways as a sum of consecutive naturals, for example, 13242499 + ... + 13242720.

It is an arithmetic number, because the mean of its divisors is an integer number (503219180).

Almost surely, 2^2939859309 is an apocalyptic number.

It is an amenable number.

2939859309 is a deficient number, since it is larger than the sum of its proper divisors (1085894131).

2939859309 is a wasteful number, since it uses less digits than its factorization.

2939859309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26485259.

The product of its (nonzero) digits is 4723920, while the sum is 57.

The square root of 2939859309 is about 54220.4694649539. The cubic root of 2939859309 is about 1432.5468995302.

The spelling of 2939859309 in words is "two billion, nine hundred thirty-nine million, eight hundred fifty-nine thousand, three hundred nine".