23033193649 has 2 divisors, whose sum is σ = 23033193650. Its totient is φ = 23033193648.

The previous prime is 23033193647. The next prime is 23033193671. The reversal of 23033193649 is 94639133032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16481424400 + 6551769249 = 128380^2 + 80943^2 .

It is a cyclic number.

It is not a de Polignac number, because 23033193649 - 2¹ = 23033193647 is a prime.

Together with 23033193647, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23033193641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516596824 + 11516596825.

It is an arithmetic number, because the mean of its divisors is an integer number (11516596825).

Almost surely, 2^23033193649 is an apocalyptic number.

It is an amenable number.

23033193649 is a deficient number, since it is larger than the sum of its proper divisors (1).

23033193649 is an equidigital number, since it uses as much as digits as its factorization.

23033193649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 43.

The spelling of 23033193649 in words is "twenty-three billion, thirty-three million, one hundred ninety-three thousand, six hundred forty-nine".