21034505483 has 2 divisors, whose sum is σ = 21034505484. Its totient is φ = 21034505482.

The previous prime is 21034505413. The next prime is 21034505507. The reversal of 21034505483 is 38450543012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21034505483 - 2¹⁰ = 21034504459 is a prime.

It is not a weakly prime, because it can be changed into another prime (21034505413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10517252741 + 10517252742.

It is an arithmetic number, because the mean of its divisors is an integer number (10517252742).

Almost surely, 2^21034505483 is an apocalyptic number.

21034505483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21034505483 is an equidigital number, since it uses as much as digits as its factorization.

21034505483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 21034505483 in words is "twenty-one billion, thirty-four million, five hundred five thousand, four hundred eighty-three".