4636383128257 has 2 divisors, whose sum is σ = 4636383128258. Its totient is φ = 4636383128256.

The previous prime is 4636383128249. The next prime is 4636383128411. The reversal of 4636383128257 is 7528213836364.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2634245857296 + 2002137270961 = 1623036^2 + 1414969^2 .

It is a cyclic number.

It is not a de Polignac number, because 4636383128257 - 2³ = 4636383128249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4636383128557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318191564128 + 2318191564129.

It is an arithmetic number, because the mean of its divisors is an integer number (2318191564129).

Almost surely, 2^{4636383128257} is an apocalyptic number.

It is an amenable number.

4636383128257 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636383128257 is an equidigital number, since it uses as much as digits as its factorization.

4636383128257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 58.

The spelling of 4636383128257 in words is "four trillion, six hundred thirty-six billion, three hundred eighty-three million, one hundred twenty-eight thousand, two hundred fifty-seven".