2044142239 has 2 divisors, whose sum is σ = 2044142240. Its totient is φ = 2044142238.

The previous prime is 2044142197. The next prime is 2044142249. The reversal of 2044142239 is 9322414402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2044142239 - 2²³ = 2035753631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2044142239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044142249) 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, 1022071119 + 1022071120.

It is an arithmetic number, because the mean of its divisors is an integer number (1022071120).

Almost surely, 2^2044142239 is an apocalyptic number.

2044142239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044142239 is an equidigital number, since it uses as much as digits as its factorization.

2044142239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2044142239 is about 45212.1912651886. The cubic root of 2044142239 is about 1269.1229687901.

The spelling of 2044142239 in words is "two billion, forty-four million, one hundred forty-two thousand, two hundred thirty-nine".