200638947500249 has 2 divisors, whose sum is σ = 200638947500250. Its totient is φ = 200638947500248.

The previous prime is 200638947500221. The next prime is 200638947500353. The reversal of 200638947500249 is 942005749836002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189548682158224 + 11090265342025 = 13767668^2 + 3330205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200638947500249 is a prime.

It is not a weakly prime, because it can be changed into another prime (200638947500549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100319473750124 + 100319473750125.

It is an arithmetic number, because the mean of its divisors is an integer number (100319473750125).

Almost surely, 2^{200638947500249} is an apocalyptic number.

It is an amenable number.

200638947500249 is a deficient number, since it is larger than the sum of its proper divisors (1).

200638947500249 is an equidigital number, since it uses as much as digits as its factorization.

200638947500249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 200638947500249 in words is "two hundred trillion, six hundred thirty-eight billion, nine hundred forty-seven million, five hundred thousand, two hundred forty-nine".