2101349189 has 2 divisors, whose sum is σ = 2101349190. Its totient is φ = 2101349188.

The previous prime is 2101349119. The next prime is 2101349221. The reversal of 2101349189 is 9819431012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1158245089 + 943104100 = 34033^2 + 30710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101349189 is a prime.

It is a super-2 number, since 2×2101349189² = 8831336828221915442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101349119) 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, 1050674594 + 1050674595.

It is an arithmetic number, because the mean of its divisors is an integer number (1050674595).

Almost surely, 2^2101349189 is an apocalyptic number.

It is an amenable number.

2101349189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101349189 is an equidigital number, since it uses as much as digits as its factorization.

2101349189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 2101349189 is about 45840.4754447421. The cubic root of 2101349189 is about 1280.8533512489.

The spelling of 2101349189 in words is "two billion, one hundred one million, three hundred forty-nine thousand, one hundred eighty-nine".