6721460459 has 32 divisors (see below), whose sum is σ = 8322103296. Its totient is φ = 5297080320.

The previous prime is 6721460423. The next prime is 6721460467. The reversal of 6721460459 is 9540641276.

It is not a de Polignac number, because 6721460459 - 2²⁴ = 6704683243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6721460059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4937939 + ... + 4939299.

It is an arithmetic number, because the mean of its divisors is an integer number (260065728).

Almost surely, 2^6721460459 is an apocalyptic number.

6721460459 is a deficient number, since it is larger than the sum of its proper divisors (1600642837).

6721460459 is a wasteful number, since it uses less digits than its factorization.

6721460459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 6721460459 is about 81984.5135315201. The cubic root of 6721460459 is about 1887.2142885464.

The spelling of 6721460459 in words is "six billion, seven hundred twenty-one million, four hundred sixty thousand, four hundred fifty-nine".