14220409991 has 2 divisors, whose sum is σ = 14220409992. Its totient is φ = 14220409990.

The previous prime is 14220409967. The next prime is 14220410063. The reversal of 14220409991 is 19990402241.

It is a weak prime.

It is an emirp because it is prime and its reverse (19990402241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14220409991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14220409391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110204995 + 7110204996.

It is an arithmetic number, because the mean of its divisors is an integer number (7110204996).

Almost surely, 2^14220409991 is an apocalyptic number.

14220409991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14220409991 is an equidigital number, since it uses as much as digits as its factorization.

14220409991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 14220409991 in words is "fourteen billion, two hundred twenty million, four hundred nine thousand, nine hundred ninety-one".