21736224114067 has 2 divisors, whose sum is σ = 21736224114068. Its totient is φ = 21736224114066.

The previous prime is 21736224114037. The next prime is 21736224114071. The reversal of 21736224114067 is 76041142263712.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21736224114067 is a prime.

It is not a weakly prime, because it can be changed into another prime (21736224114037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10868112057033 + 10868112057034.

It is an arithmetic number, because the mean of its divisors is an integer number (10868112057034).

Almost surely, 2^{21736224114067} is an apocalyptic number.

21736224114067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21736224114067 is an equidigital number, since it uses as much as digits as its factorization.

21736224114067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

Adding to 21736224114067 its reverse (76041142263712), we get a palindrome (97777366377779).

The spelling of 21736224114067 in words is "twenty-one trillion, seven hundred thirty-six billion, two hundred twenty-four million, one hundred fourteen thousand, sixty-seven".