28483348321 has 2 divisors, whose sum is σ = 28483348322. Its totient is φ = 28483348320.

The previous prime is 28483348301. The next prime is 28483348363. The reversal of 28483348321 is 12384338482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25932593296 + 2550755025 = 161036^2 + 50505^2 .

It is a cyclic number.

It is not a de Polignac number, because 28483348321 - 2¹⁹ = 28482824033 is a prime.

It is a super-2 number, since 2×28483348321² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28483348301) 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 as a sum of consecutive naturals, namely, 14241674160 + 14241674161.

It is an arithmetic number, because the mean of its divisors is an integer number (14241674161).

Almost surely, 2^28483348321 is an apocalyptic number.

It is an amenable number.

28483348321 is a deficient number, since it is larger than the sum of its proper divisors (1).

28483348321 is an equidigital number, since it uses as much as digits as its factorization.

28483348321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 46.

The spelling of 28483348321 in words is "twenty-eight billion, four hundred eighty-three million, three hundred forty-eight thousand, three hundred twenty-one".