21627064483 has 2 divisors, whose sum is σ = 21627064484. Its totient is φ = 21627064482.

The previous prime is 21627064391. The next prime is 21627064489. The reversal of 21627064483 is 38446072612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21627064483 - 2²⁹ = 21090193571 is a prime.

It is not a weakly prime, because it can be changed into another prime (21627064489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10813532241 + 10813532242.

It is an arithmetic number, because the mean of its divisors is an integer number (10813532242).

Almost surely, 2^21627064483 is an apocalyptic number.

21627064483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21627064483 is an equidigital number, since it uses as much as digits as its factorization.

21627064483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 21627064483 in words is "twenty-one billion, six hundred twenty-seven million, sixty-four thousand, four hundred eighty-three".