28633195817 has 2 divisors, whose sum is σ = 28633195818. Its totient is φ = 28633195816.

The previous prime is 28633195729. The next prime is 28633195823. The reversal of 28633195817 is 71859133682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17935637776 + 10697558041 = 133924^2 + 103429^2 .

It is a cyclic number.

It is not a de Polignac number, because 28633195817 - 2¹⁴ = 28633179433 is a prime.

It is not a weakly prime, because it can be changed into another prime (28633195837) 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, 14316597908 + 14316597909.

It is an arithmetic number, because the mean of its divisors is an integer number (14316597909).

Almost surely, 2^28633195817 is an apocalyptic number.

It is an amenable number.

28633195817 is a deficient number, since it is larger than the sum of its proper divisors (1).

28633195817 is an equidigital number, since it uses as much as digits as its factorization.

28633195817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 53.

The spelling of 28633195817 in words is "twenty-eight billion, six hundred thirty-three million, one hundred ninety-five thousand, eight hundred seventeen".