1839242159 has 2 divisors, whose sum is σ = 1839242160. Its totient is φ = 1839242158.

The previous prime is 1839242137. The next prime is 1839242203. The reversal of 1839242159 is 9512429381.

It is an a-pointer prime, because the next prime (1839242203) can be obtained adding 1839242159 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1839242159 - 2²⁰ = 1838193583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1839442159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919621079 + 919621080.

It is an arithmetic number, because the mean of its divisors is an integer number (919621080).

Almost surely, 2^1839242159 is an apocalyptic number.

1839242159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1839242159 is an equidigital number, since it uses as much as digits as its factorization.

1839242159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 1839242159 is about 42886.3866395853. The cubic root of 1839242159 is about 1225.2168787741.

The spelling of 1839242159 in words is "one billion, eight hundred thirty-nine million, two hundred forty-two thousand, one hundred fifty-nine".