2142205019 has 2 divisors, whose sum is σ = 2142205020. Its totient is φ = 2142205018.

The previous prime is 2142204979. The next prime is 2142205061. The reversal of 2142205019 is 9105022412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142205019 is a prime.

It is a super-2 number, since 2×2142205019² = 9178084686857580722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2142205069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071102509 + 1071102510.

It is an arithmetic number, because the mean of its divisors is an integer number (1071102510).

Almost surely, 2^2142205019 is an apocalyptic number.

2142205019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142205019 is an equidigital number, since it uses as much as digits as its factorization.

2142205019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 2142205019 is about 46283.9607099479. The cubic root of 2142205019 is about 1289.1011945078.

The spelling of 2142205019 in words is "two billion, one hundred forty-two million, two hundred five thousand, nineteen".