22659184649 has 2 divisors, whose sum is σ = 22659184650. Its totient is φ = 22659184648.

The previous prime is 22659184627. The next prime is 22659184697. The reversal of 22659184649 is 94648195622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13673092624 + 8986092025 = 116932^2 + 94795^2 .

It is a cyclic number.

It is not a de Polignac number, because 22659184649 - 2¹⁶ = 22659119113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22659184594 and 22659184603.

It is not a weakly prime, because it can be changed into another prime (22659174649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11329592324 + 11329592325.

It is an arithmetic number, because the mean of its divisors is an integer number (11329592325).

Almost surely, 2^22659184649 is an apocalyptic number.

It is an amenable number.

22659184649 is a deficient number, since it is larger than the sum of its proper divisors (1).

22659184649 is an equidigital number, since it uses as much as digits as its factorization.

22659184649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 56.

The spelling of 22659184649 in words is "twenty-two billion, six hundred fifty-nine million, one hundred eighty-four thousand, six hundred forty-nine".