21846242983 has 2 divisors, whose sum is σ = 21846242984. Its totient is φ = 21846242982.

The previous prime is 21846242933. The next prime is 21846242987. The reversal of 21846242983 is 38924264812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21846242983 - 2⁹ = 21846242471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21846242987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10923121491 + 10923121492.

It is an arithmetic number, because the mean of its divisors is an integer number (10923121492).

Almost surely, 2^21846242983 is an apocalyptic number.

21846242983 is a deficient number, since it is larger than the sum of its proper divisors (1).

21846242983 is an equidigital number, since it uses as much as digits as its factorization.

21846242983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1327104, while the sum is 49.

The spelling of 21846242983 in words is "twenty-one billion, eight hundred forty-six million, two hundred forty-two thousand, nine hundred eighty-three".