2102202049 has 2 divisors, whose sum is σ = 2102202050. Its totient is φ = 2102202048.

The previous prime is 2102202007. The next prime is 2102202071. The reversal of 2102202049 is 9402022012.

It is an a-pointer prime, because the next prime (2102202071) can be obtained adding 2102202049 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1899652225 + 202549824 = 43585^2 + 14232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102202049 - 2⁷ = 2102201921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102202649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051101024 + 1051101025.

It is an arithmetic number, because the mean of its divisors is an integer number (1051101025).

Almost surely, 2^2102202049 is an apocalyptic number.

It is an amenable number.

2102202049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102202049 is an equidigital number, since it uses as much as digits as its factorization.

2102202049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2102202049 is about 45849.7769787379. The cubic root of 2102202049 is about 1281.0266114954.

The spelling of 2102202049 in words is "two billion, one hundred two million, two hundred two thousand, forty-nine".