6543480273 has 16 divisors (see below), whose sum is σ = 9530499072. Its totient is φ = 3960450000.

The previous prime is 6543480271. The next prime is 6543480277. The reversal of 6543480273 is 3720843456.

It is not a de Polignac number, because 6543480273 - 2¹ = 6543480271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6543480271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107233 + ... + 156798.

It is an arithmetic number, because the mean of its divisors is an integer number (595656192).

Almost surely, 2^6543480273 is an apocalyptic number.

It is an amenable number.

6543480273 is a deficient number, since it is larger than the sum of its proper divisors (2987018799).

6543480273 is a wasteful number, since it uses less digits than its factorization.

6543480273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264796.

The product of its (nonzero) digits is 483840, while the sum is 42.

The square root of 6543480273 is about 80891.7812450684. The cubic root of 6543480273 is about 1870.4076315932.

The spelling of 6543480273 in words is "six billion, five hundred forty-three million, four hundred eighty thousand, two hundred seventy-three".