28632555755537 has 2 divisors, whose sum is σ = 28632555755538. Its totient is φ = 28632555755536.

The previous prime is 28632555755521. The next prime is 28632555755539. The reversal of 28632555755537 is 73555755523682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19077755460481 + 9554800295056 = 4367809^2 + 3091084^2 .

It is a cyclic number.

It is not a de Polignac number, because 28632555755537 - 2⁴ = 28632555755521 is a prime.

Together with 28632555755539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28632555755539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14316277877768 + 14316277877769.

It is an arithmetic number, because the mean of its divisors is an integer number (14316277877769).

Almost surely, 2^{28632555755537} is an apocalyptic number.

It is an amenable number.

28632555755537 is a deficient number, since it is larger than the sum of its proper divisors (1).

28632555755537 is an equidigital number, since it uses as much as digits as its factorization.

28632555755537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000000, while the sum is 68.

The spelling of 28632555755537 in words is "twenty-eight trillion, six hundred thirty-two billion, five hundred fifty-five million, seven hundred fifty-five thousand, five hundred thirty-seven".