21066530483 has 2 divisors, whose sum is σ = 21066530484. Its totient is φ = 21066530482.

The previous prime is 21066530477. The next prime is 21066530503. The reversal of 21066530483 is 38403566012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21066530483 - 2¹⁰ = 21066529459 is a prime.

It is not a weakly prime, because it can be changed into another prime (21066530423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10533265241 + 10533265242.

It is an arithmetic number, because the mean of its divisors is an integer number (10533265242).

Almost surely, 2^21066530483 is an apocalyptic number.

21066530483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21066530483 is an equidigital number, since it uses as much as digits as its factorization.

21066530483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 21066530483 in words is "twenty-one billion, sixty-six million, five hundred thirty thousand, four hundred eighty-three".