201351416866289 has 2 divisors, whose sum is σ = 201351416866290. Its totient is φ = 201351416866288.

The previous prime is 201351416866273. The next prime is 201351416866331. The reversal of 201351416866289 is 982668614153102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183825329568400 + 17526087297889 = 13558220^2 + 4186417^2 .

It is a cyclic number.

It is not a de Polignac number, because 201351416866289 - 2⁴ = 201351416866273 is a prime.

It is not a weakly prime, because it can be changed into another prime (201351416866219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100675708433144 + 100675708433145.

It is an arithmetic number, because the mean of its divisors is an integer number (100675708433145).

Almost surely, 2^{201351416866289} is an apocalyptic number.

It is an amenable number.

201351416866289 is a deficient number, since it is larger than the sum of its proper divisors (1).

201351416866289 is an equidigital number, since it uses as much as digits as its factorization.

201351416866289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 201351416866289 in words is "two hundred one trillion, three hundred fifty-one billion, four hundred sixteen million, eight hundred sixty-six thousand, two hundred eighty-nine".