210000102049 has 2 divisors, whose sum is σ = 210000102050. Its totient is φ = 210000102048.

The previous prime is 210000102001. The next prime is 210000102073. The reversal of 210000102049 is 940201000012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201277849600 + 8722252449 = 448640^2 + 93393^2 .

It is a cyclic number.

It is not a de Polignac number, because 210000102049 - 2¹³ = 210000093857 is a prime.

It is not a weakly prime, because it can be changed into another prime (210000100049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000051024 + 105000051025.

It is an arithmetic number, because the mean of its divisors is an integer number (105000051025).

Almost surely, 2^210000102049 is an apocalyptic number.

It is an amenable number.

210000102049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210000102049 is an equidigital number, since it uses as much as digits as its factorization.

210000102049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 210000102049 in words is "two hundred ten billion, one hundred two thousand, forty-nine".