22061050460909 has 2 divisors, whose sum is σ = 22061050460910. Its totient is φ = 22061050460908.

The previous prime is 22061050460861. The next prime is 22061050460923. The reversal of 22061050460909 is 90906405016022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20123881981225 + 1937168479684 = 4485965^2 + 1391822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22061050460909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22061050460909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22061050468909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030525230454 + 11030525230455.

It is an arithmetic number, because the mean of its divisors is an integer number (11030525230455).

Almost surely, 2^{22061050460909} is an apocalyptic number.

It is an amenable number.

22061050460909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061050460909 is an equidigital number, since it uses as much as digits as its factorization.

22061050460909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 22061050460909 in words is "twenty-two trillion, sixty-one billion, fifty million, four hundred sixty thousand, nine hundred nine".