22530313545409 has 2 divisors, whose sum is σ = 22530313545410. Its totient is φ = 22530313545408.

The previous prime is 22530313545407. The next prime is 22530313545437. The reversal of 22530313545409 is 90454531303522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21024490051009 + 1505823494400 = 4585247^2 + 1227120^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530313545409 - 2¹ = 22530313545407 is a prime.

Together with 22530313545407, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22530313545407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11265156772704 + 11265156772705.

It is an arithmetic number, because the mean of its divisors is an integer number (11265156772705).

Almost surely, 2^{22530313545409} is an apocalyptic number.

It is an amenable number.

22530313545409 is a deficient number, since it is larger than the sum of its proper divisors (1).

22530313545409 is an equidigital number, since it uses as much as digits as its factorization.

22530313545409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 22530313545409 in words is "twenty-two trillion, five hundred thirty billion, three hundred thirteen million, five hundred forty-five thousand, four hundred nine".