2142340019 has 2 divisors, whose sum is σ = 2142340020. Its totient is φ = 2142340018.

The previous prime is 2142340001. The next prime is 2142340021. The reversal of 2142340019 is 9100432412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142340019 - 2⁸ = 2142339763 is a prime.

It is a super-2 number, since 2×2142340019² = 9179241514017840722, which contains 22 as substring.

Together with 2142340021, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2142340019.

It is not a weakly prime, because it can be changed into another prime (2142340099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071170009 + 1071170010.

It is an arithmetic number, because the mean of its divisors is an integer number (1071170010).

Almost surely, 2^2142340019 is an apocalyptic number.

2142340019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142340019 is an equidigital number, since it uses as much as digits as its factorization.

2142340019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2142340019 is about 46285.4190755577. The cubic root of 2142340019 is about 1289.1282733050.

The spelling of 2142340019 in words is "two billion, one hundred forty-two million, three hundred forty thousand, nineteen".