6349456853 has 8 divisors (see below), whose sum is σ = 6442103448. Its totient is φ = 6256963584.

The previous prime is 6349456811. The next prime is 6349456931. The reversal of 6349456853 is 3586549436.

It can be written as a sum of positive squares in 4 ways, for example, as 3926651569 + 2422805284 = 62663^2 + 49222^2 .

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 6349456853 - 2¹⁶ = 6349391317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6349456795 and 6349456804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349456753) 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, 46451 + ... + 121887.

It is an arithmetic number, because the mean of its divisors is an integer number (805262931).

Almost surely, 2^6349456853 is an apocalyptic number.

It is an amenable number.

6349456853 is a deficient number, since it is larger than the sum of its proper divisors (92646595).

6349456853 is a wasteful number, since it uses less digits than its factorization.

6349456853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76663.

The product of its digits is 9331200, while the sum is 53.

The square root of 6349456853 is about 79683.4791722851. The cubic root of 6349456853 is about 1851.7350999856.

The spelling of 6349456853 in words is "six billion, three hundred forty-nine million, four hundred fifty-six thousand, eight hundred fifty-three".