28633653312233 has 2 divisors, whose sum is σ = 28633653312234. Its totient is φ = 28633653312232.

The previous prime is 28633653312221. The next prime is 28633653312239. The reversal of 28633653312233 is 33221335633682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27189685783129 + 1443967529104 = 5214373^2 + 1201652^2 .

It is a cyclic number.

It is not a de Polignac number, because 28633653312233 - 2⁴ = 28633653312217 is a prime.

It is a super-2 number, since 2×28633653312233² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28633653312239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14316826656116 + 14316826656117.

It is an arithmetic number, because the mean of its divisors is an integer number (14316826656117).

Almost surely, 2^{28633653312233} is an apocalyptic number.

It is an amenable number.

28633653312233 is a deficient number, since it is larger than the sum of its proper divisors (1).

28633653312233 is an equidigital number, since it uses as much as digits as its factorization.

28633653312233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 50.

The spelling of 28633653312233 in words is "twenty-eight trillion, six hundred thirty-three billion, six hundred fifty-three million, three hundred twelve thousand, two hundred thirty-three".