210013103249 has 2 divisors, whose sum is σ = 210013103250. Its totient is φ = 210013103248.

The previous prime is 210013103239. The next prime is 210013103353. The reversal of 210013103249 is 942301310012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147192693649 + 62820409600 = 383657^2 + 250640^2 .

It is a cyclic number.

It is not a de Polignac number, because 210013103249 - 2²⁸ = 209744667793 is a prime.

It is not a weakly prime, because it can be changed into another prime (210013103219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006551624 + 105006551625.

It is an arithmetic number, because the mean of its divisors is an integer number (105006551625).

Almost surely, 2^210013103249 is an apocalyptic number.

It is an amenable number.

210013103249 is a deficient number, since it is larger than the sum of its proper divisors (1).

210013103249 is an equidigital number, since it uses as much as digits as its factorization.

210013103249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 210013103249 in words is "two hundred ten billion, thirteen million, one hundred three thousand, two hundred forty-nine".