6339205257 has 16 divisors (see below), whose sum is σ = 10537900032. Its totient is φ = 3293093520.

The previous prime is 6339205247. The next prime is 6339205319. The reversal of 6339205257 is 7525029336.

It is not a de Polignac number, because 6339205257 - 2¹¹ = 6339203209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6339205247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13720993 + ... + 13721454.

It is an arithmetic number, because the mean of its divisors is an integer number (658618752).

Almost surely, 2^6339205257 is an apocalyptic number.

It is an amenable number.

6339205257 is a deficient number, since it is larger than the sum of its proper divisors (4198694775).

6339205257 is a wasteful number, since it uses less digits than its factorization.

6339205257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27442468.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 6339205257 is about 79619.1262009324. The cubic root of 6339205257 is about 1850.7379823685.

The spelling of 6339205257 in words is "six billion, three hundred thirty-nine million, two hundred five thousand, two hundred fifty-seven".