42389755019 has 2 divisors, whose sum is σ = 42389755020. Its totient is φ = 42389755018.

The previous prime is 42389754989. The next prime is 42389755099. The reversal of 42389755019 is 91055798324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42389755019 - 2¹⁶ = 42389689483 is a prime.

It is a super-2 number, since 2×42389755019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42389755099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21194877509 + 21194877510.

It is an arithmetic number, because the mean of its divisors is an integer number (21194877510).

Almost surely, 2^42389755019 is an apocalyptic number.

42389755019 is a deficient number, since it is larger than the sum of its proper divisors (1).

42389755019 is an equidigital number, since it uses as much as digits as its factorization.

42389755019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 42389755019 in words is "forty-two billion, three hundred eighty-nine million, seven hundred fifty-five thousand, nineteen".