6344669899853 has 8 divisors (see below), whose sum is σ = 6550110455040. Its totient is φ = 6139277706240.

The previous prime is 6344669899811. The next prime is 6344669899859. The reversal of 6344669899853 is 3589989664436.

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 6344669899853 - 2¹⁰ = 6344669898829 is a prime.

It is a super-2 number, since 2×6344669899853² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6344669899859) 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, 11823668 + ... + 12348621.

It is an arithmetic number, because the mean of its divisors is an integer number (818763806880).

Almost surely, 2^{6344669899853} is an apocalyptic number.

It is an amenable number.

6344669899853 is a deficient number, since it is larger than the sum of its proper divisors (205440555187).

6344669899853 is a wasteful number, since it uses less digits than its factorization.

6344669899853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180787.

The product of its digits is 7255941120, while the sum is 80.

The spelling of 6344669899853 in words is "six trillion, three hundred forty-four billion, six hundred sixty-nine million, eight hundred ninety-nine thousand, eight hundred fifty-three".