6209428939 has 8 divisors (see below), whose sum is σ = 7110436320. Its totient is φ = 5311908096.

The previous prime is 6209428921. The next prime is 6209428943. The reversal of 6209428939 is 9398249026.

It is a happy number.

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 6209428939 - 2¹¹ = 6209426891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6209428999) 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, 867814 + ... + 874939.

It is an arithmetic number, because the mean of its divisors is an integer number (888804540).

Almost surely, 2^6209428939 is an apocalyptic number.

6209428939 is a deficient number, since it is larger than the sum of its proper divisors (901007381).

6209428939 is a wasteful number, since it uses less digits than its factorization.

6209428939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743269.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 6209428939 is about 78799.9298159586. The cubic root of 6209428939 is about 1838.0213586787.

The spelling of 6209428939 in words is "six billion, two hundred nine million, four hundred twenty-eight thousand, nine hundred thirty-nine".