2142244459 has 2 divisors, whose sum is σ = 2142244460. Its totient is φ = 2142244458.

The previous prime is 2142244457. The next prime is 2142244519. The reversal of 2142244459 is 9544422412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2142244459 - 2¹ = 2142244457 is a prime.

It is a super-2 number, since 2×2142244459² = 9178422644232405362, which contains 22 as substring.

Together with 2142244457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2142244451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071122229 + 1071122230.

It is an arithmetic number, because the mean of its divisors is an integer number (1071122230).

Almost surely, 2^2142244459 is an apocalyptic number.

2142244459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142244459 is an equidigital number, since it uses as much as digits as its factorization.

2142244459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 37.

The square root of 2142244459 is about 46284.3867735114. The cubic root of 2142244459 is about 1289.1091056459.

The spelling of 2142244459 in words is "two billion, one hundred forty-two million, two hundred forty-four thousand, four hundred fifty-nine".