2144001539 has 2 divisors, whose sum is σ = 2144001540. Its totient is φ = 2144001538.

The previous prime is 2144001533. The next prime is 2144001569. The reversal of 2144001539 is 9351004412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2144001539 is a prime.

It is not a weakly prime, because it can be changed into another prime (2144001533) 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, 1072000769 + 1072000770.

It is an arithmetic number, because the mean of its divisors is an integer number (1072000770).

Almost surely, 2^2144001539 is an apocalyptic number.

2144001539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144001539 is an equidigital number, since it uses as much as digits as its factorization.

2144001539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2144001539 is about 46303.3642298268. The cubic root of 2144001539 is about 1289.4614539858.

The spelling of 2144001539 in words is "two billion, one hundred forty-four million, one thousand, five hundred thirty-nine".