201105286849 has 2 divisors, whose sum is σ = 201105286850. Its totient is φ = 201105286848.

The previous prime is 201105286847. The next prime is 201105286871. The reversal of 201105286849 is 948682501102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149397710400 + 51707576449 = 386520^2 + 227393^2 .

It is a cyclic number.

It is not a de Polignac number, because 201105286849 - 2¹ = 201105286847 is a prime.

Together with 201105286847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 201105286799 and 201105286808.

It is not a weakly prime, because it can be changed into another prime (201105286847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100552643424 + 100552643425.

It is an arithmetic number, because the mean of its divisors is an integer number (100552643425).

Almost surely, 2^201105286849 is an apocalyptic number.

It is an amenable number.

201105286849 is a deficient number, since it is larger than the sum of its proper divisors (1).

201105286849 is an equidigital number, since it uses as much as digits as its factorization.

201105286849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 201105286849 in words is "two hundred one billion, one hundred five million, two hundred eighty-six thousand, eight hundred forty-nine".