6339855697 has 4 divisors (see below), whose sum is σ = 7245549376. Its totient is φ = 5434162020.

The previous prime is 6339855671. The next prime is 6339855701. The reversal of 6339855697 is 7965589336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6339855697 - 2¹¹ = 6339853649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6339855607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452846829 + ... + 452846842.

It is an arithmetic number, because the mean of its divisors is an integer number (1811387344).

Almost surely, 2^6339855697 is an apocalyptic number.

It is an amenable number.

6339855697 is a deficient number, since it is larger than the sum of its proper divisors (905693679).

6339855697 is an equidigital number, since it uses as much as digits as its factorization.

6339855697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905693678.

The product of its digits is 36741600, while the sum is 61.

The square root of 6339855697 is about 79623.2107930847. The cubic root of 6339855697 is about 1850.8012790960.

The spelling of 6339855697 in words is "six billion, three hundred thirty-nine million, eight hundred fifty-five thousand, six hundred ninety-seven".