6534554321 has 2 divisors, whose sum is σ = 6534554322. Its totient is φ = 6534554320.

The previous prime is 6534554261. The next prime is 6534554359. The reversal of 6534554321 is 1234554356.

It is an a-pointer prime, because the next prime (6534554359) can be obtained adding 6534554321 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6522823696 + 11730625 = 80764^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 6534554321 - 2¹⁰ = 6534553297 is a prime.

It is not a weakly prime, because it can be changed into another prime (6534554371) 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 as a sum of consecutive naturals, namely, 3267277160 + 3267277161.

It is an arithmetic number, because the mean of its divisors is an integer number (3267277161).

Almost surely, 2^6534554321 is an apocalyptic number.

It is an amenable number.

6534554321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6534554321 is an equidigital number, since it uses as much as digits as its factorization.

6534554321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 38.

The square root of 6534554321 is about 80836.5902361053. The cubic root of 6534554321 is about 1869.5567711394.

The spelling of 6534554321 in words is "six billion, five hundred thirty-four million, five hundred fifty-four thousand, three hundred twenty-one".