22659347647 has 2 divisors, whose sum is σ = 22659347648. Its totient is φ = 22659347646.

The previous prime is 22659347569. The next prime is 22659347657. The reversal of 22659347647 is 74674395622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22659347647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22659347657) 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, 11329673823 + 11329673824.

It is an arithmetic number, because the mean of its divisors is an integer number (11329673824).

Almost surely, 2^22659347647 is an apocalyptic number.

22659347647 is a deficient number, since it is larger than the sum of its proper divisors (1).

22659347647 is an equidigital number, since it uses as much as digits as its factorization.

22659347647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15240960, while the sum is 55.

The spelling of 22659347647 in words is "twenty-two billion, six hundred fifty-nine million, three hundred forty-seven thousand, six hundred forty-seven".