2102434027 has 2 divisors, whose sum is σ = 2102434028. Its totient is φ = 2102434026.

The previous prime is 2102434021. The next prime is 2102434057. The reversal of 2102434027 is 7204342012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102434027 - 2⁷ = 2102433899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102433992 and 2102434010.

It is not a weakly prime, because it can be changed into another prime (2102434021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051217013 + 1051217014.

It is an arithmetic number, because the mean of its divisors is an integer number (1051217014).

Almost surely, 2^2102434027 is an apocalyptic number.

2102434027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102434027 is an equidigital number, since it uses as much as digits as its factorization.

2102434027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2102434027 is about 45852.3066704392. The cubic root of 2102434027 is about 1281.0737301919.

Adding to 2102434027 its reverse (7204342012), we get a palindrome (9306776039).

The spelling of 2102434027 in words is "two billion, one hundred two million, four hundred thirty-four thousand, twenty-seven".