6538260833449 has 8 divisors (see below), whose sum is σ = 6558351891840. Its totient is φ = 6518197093536.

The previous prime is 6538260833443. The next prime is 6538260833453. The reversal of 6538260833449 is 9443380628356.

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 6538260833449 - 2⁹ = 6538260832937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6538260833443) 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, 6350164 + ... + 7307605.

It is an arithmetic number, because the mean of its divisors is an integer number (819793986480).

Almost surely, 2^{6538260833449} is an apocalyptic number.

It is an amenable number.

6538260833449 is a deficient number, since it is larger than the sum of its proper divisors (20091058391).

6538260833449 is a wasteful number, since it uses less digits than its factorization.

6538260833449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13659239.

The product of its (nonzero) digits is 89579520, while the sum is 61.

The spelling of 6538260833449 in words is "six trillion, five hundred thirty-eight billion, two hundred sixty million, eight hundred thirty-three thousand, four hundred forty-nine".