22089649541 has 2 divisors, whose sum is σ = 22089649542. Its totient is φ = 22089649540.

The previous prime is 22089649531. The next prime is 22089649651. The reversal of 22089649541 is 14594698022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21809087041 + 280562500 = 147679^2 + 16750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22089649541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22089649541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22089649531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11044824770 + 11044824771.

It is an arithmetic number, because the mean of its divisors is an integer number (11044824771).

Almost surely, 2^22089649541 is an apocalyptic number.

It is an amenable number.

22089649541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22089649541 is an equidigital number, since it uses as much as digits as its factorization.

22089649541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 22089649541 in words is "twenty-two billion, eighty-nine million, six hundred forty-nine thousand, five hundred forty-one".