21100004483 has 2 divisors, whose sum is σ = 21100004484. Its totient is φ = 21100004482.

The previous prime is 21100004473. The next prime is 21100004543. The reversal of 21100004483 is 38440000112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21100004483 - 2⁸ = 21100004227 is a prime.

It is not a weakly prime, because it can be changed into another prime (21100004473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10550002241 + 10550002242.

It is an arithmetic number, because the mean of its divisors is an integer number (10550002242).

Almost surely, 2^21100004483 is an apocalyptic number.

21100004483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21100004483 is an equidigital number, since it uses as much as digits as its factorization.

21100004483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21100004483 its reverse (38440000112), we get a palindrome (59540004595).

The spelling of 21100004483 in words is "twenty-one billion, one hundred million, four thousand, four hundred eighty-three".