23886222649 has 2 divisors, whose sum is σ = 23886222650. Its totient is φ = 23886222648.

The previous prime is 23886222599. The next prime is 23886222667. The reversal of 23886222649 is 94622268832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16713318400 + 7172904249 = 129280^2 + 84693^2 .

It is a cyclic number.

It is not a de Polignac number, because 23886222649 - 2¹¹ = 23886220601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23886222596 and 23886222605.

It is not a weakly prime, because it can be changed into another prime (23886229649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11943111324 + 11943111325.

It is an arithmetic number, because the mean of its divisors is an integer number (11943111325).

Almost surely, 2^23886222649 is an apocalyptic number.

It is an amenable number.

23886222649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23886222649 is an equidigital number, since it uses as much as digits as its factorization.

23886222649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3981312, while the sum is 52.

The spelling of 23886222649 in words is "twenty-three billion, eight hundred eighty-six million, two hundred twenty-two thousand, six hundred forty-nine".