2102134019 has 2 divisors, whose sum is σ = 2102134020. Its totient is φ = 2102134018.

The previous prime is 2102134003. The next prime is 2102134051. The reversal of 2102134019 is 9104312012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102134019 - 2⁴ = 2102134003 is a prime.

It is a super-2 number, since 2×2102134019² = 8837934867674184722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102133985 and 2102134003.

It is not a weakly prime, because it can be changed into another prime (2102139019) 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, 1051067009 + 1051067010.

It is an arithmetic number, because the mean of its divisors is an integer number (1051067010).

Almost surely, 2^2102134019 is an apocalyptic number.

2102134019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102134019 is an equidigital number, since it uses as much as digits as its factorization.

2102134019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2102134019 is about 45849.0350934455. The cubic root of 2102134019 is about 1281.0127927824.

The spelling of 2102134019 in words is "two billion, one hundred two million, one hundred thirty-four thousand, nineteen".