2873943309 has 8 divisors (see below), whose sum is σ = 3878092512. Its totient is φ = 1892878160.

The previous prime is 2873943307. The next prime is 2873943329. The reversal of 2873943309 is 9033493782.

2873943309 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2873943309 - 2¹ = 2873943307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873943301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5770722 + ... + 5771219.

It is an arithmetic number, because the mean of its divisors is an integer number (484761564).

Almost surely, 2^2873943309 is an apocalyptic number.

It is an amenable number.

2873943309 is a deficient number, since it is larger than the sum of its proper divisors (1004149203).

2873943309 is a wasteful number, since it uses less digits than its factorization.

2873943309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542027.

The product of its (nonzero) digits is 979776, while the sum is 48.

The square root of 2873943309 is about 53609.1718738501. The cubic root of 2873943309 is about 1421.7592605411.

It can be divided in two parts, 287394 and 3309, that added together give a triangular number (290703 = T₇₆₂).

The spelling of 2873943309 in words is "two billion, eight hundred seventy-three million, nine hundred forty-three thousand, three hundred nine".