6485363839 has 16 divisors (see below), whose sum is σ = 6710169600. Its totient is φ = 6265353024.

The previous prime is 6485363821. The next prime is 6485363849. The reversal of 6485363839 is 9383635846.

It is a cyclic number.

It is not a de Polignac number, because 6485363839 - 2⁹ = 6485363327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6485363839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485363809) 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, 797707 + ... + 805795.

It is an arithmetic number, because the mean of its divisors is an integer number (419385600).

Almost surely, 2^6485363839 is an apocalyptic number.

6485363839 is a deficient number, since it is larger than the sum of its proper divisors (224805761).

6485363839 is a wasteful number, since it uses less digits than its factorization.

6485363839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382.

The product of its digits is 11197440, while the sum is 55.

The square root of 6485363839 is about 80531.7567112503. The cubic root of 6485363839 is about 1864.8537658679.

The spelling of 6485363839 in words is "six billion, four hundred eighty-five million, three hundred sixty-three thousand, eight hundred thirty-nine".