6473332321 has 2 divisors, whose sum is σ = 6473332322. Its totient is φ = 6473332320.

The previous prime is 6473332303. The next prime is 6473332343. The reversal of 6473332321 is 1232333746.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4184666721 + 2288665600 = 64689^2 + 47840^2 .

It is a cyclic number.

It is not a de Polignac number, because 6473332321 - 2¹⁷ = 6473201249 is a prime.

It is not a weakly prime, because it can be changed into another prime (6473332421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236666160 + 3236666161.

It is an arithmetic number, because the mean of its divisors is an integer number (3236666161).

Almost surely, 2^6473332321 is an apocalyptic number.

It is an amenable number.

6473332321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6473332321 is an equidigital number, since it uses as much as digits as its factorization.

6473332321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 34.

The square root of 6473332321 is about 80457.0215767400. The cubic root of 6473332321 is about 1863.6998387877.

The spelling of 6473332321 in words is "six billion, four hundred seventy-three million, three hundred thirty-two thousand, three hundred twenty-one".