2142718427 has 2 divisors, whose sum is σ = 2142718428. Its totient is φ = 2142718426.

The previous prime is 2142718379. The next prime is 2142718429. The reversal of 2142718427 is 7248172412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142718427 - 2¹² = 2142714331 is a prime.

Together with 2142718429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2142718429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071359213 + 1071359214.

It is an arithmetic number, because the mean of its divisors is an integer number (1071359214).

Almost surely, 2^2142718427 is an apocalyptic number.

2142718427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142718427 is an equidigital number, since it uses as much as digits as its factorization.

2142718427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 2142718427 is about 46289.5066618775. The cubic root of 2142718427 is about 1289.2041697125.

The spelling of 2142718427 in words is "two billion, one hundred forty-two million, seven hundred eighteen thousand, four hundred twenty-seven".