6728085453 has 4 divisors (see below), whose sum is σ = 8970780608. Its totient is φ = 4485390300.

The previous prime is 6728085451. The next prime is 6728085467. The reversal of 6728085453 is 3545808276.

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 6728085453 - 2¹ = 6728085451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728085451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121347573 + ... + 1121347578.

It is an arithmetic number, because the mean of its divisors is an integer number (2242695152).

Almost surely, 2^6728085453 is an apocalyptic number.

It is an amenable number.

6728085453 is a deficient number, since it is larger than the sum of its proper divisors (2242695155).

6728085453 is a wasteful number, since it uses less digits than its factorization.

6728085453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242695154.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 6728085453 is about 82024.9075159491. The cubic root of 6728085453 is about 1887.8341279341.

The spelling of 6728085453 in words is "six billion, seven hundred twenty-eight million, eighty-five thousand, four hundred fifty-three".