7271999853 has 16 divisors (see below), whose sum is σ = 9809216640. Its totient is φ = 4791632384.

The previous prime is 7271999831. The next prime is 7271999857. The reversal of 7271999853 is 3589991727.

It is a cyclic number.

It is not a de Polignac number, because 7271999853 - 2⁵ = 7271999821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7271999857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91825 + ... + 151577.

It is an arithmetic number, because the mean of its divisors is an integer number (613076040).

Almost surely, 2^7271999853 is an apocalyptic number.

It is an amenable number.

7271999853 is a deficient number, since it is larger than the sum of its proper divisors (2537216787).

7271999853 is a wasteful number, since it uses less digits than its factorization.

7271999853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60228.

The product of its digits is 8573040, while the sum is 60.

The square root of 7271999853 is about 85276.0215594044. The cubic root of 7271999853 is about 1937.3940151418.

The spelling of 7271999853 in words is "seven billion, two hundred seventy-one million, nine hundred ninety-nine thousand, eight hundred fifty-three".