210361131049 has 2 divisors, whose sum is σ = 210361131050. Its totient is φ = 210361131048.

The previous prime is 210361131037. The next prime is 210361131119. The reversal of 210361131049 is 940131163012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208398641049 + 1962490000 = 456507^2 + 44300^2 .

It is a cyclic number.

It is not a de Polignac number, because 210361131049 - 2¹⁵ = 210361098281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210361131049.

It is not a weakly prime, because it can be changed into another prime (210365131049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105180565524 + 105180565525.

It is an arithmetic number, because the mean of its divisors is an integer number (105180565525).

Almost surely, 2^210361131049 is an apocalyptic number.

It is an amenable number.

210361131049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210361131049 is an equidigital number, since it uses as much as digits as its factorization.

210361131049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 210361131049 in words is "two hundred ten billion, three hundred sixty-one million, one hundred thirty-one thousand, forty-nine".