42389737185 has 16 divisors (see below), whose sum is σ = 68017924800. Its totient is φ = 22543078080.

The previous prime is 42389737171. The next prime is 42389737199. The reversal of 42389737185 is 58173798324.

It is an interprime number because it is at equal distance from previous prime (42389737171) and next prime (42389737199).

It is not a de Polignac number, because 42389737185 - 2⁷ = 42389737057 is a prime.

It is a super-2 number, since 2×42389737185² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4043451 + ... + 4053920.

It is an arithmetic number, because the mean of its divisors is an integer number (4251120300).

Almost surely, 2^42389737185 is an apocalyptic number.

It is an amenable number.

42389737185 is a deficient number, since it is larger than the sum of its proper divisors (25628187615).

42389737185 is a wasteful number, since it uses less digits than its factorization.

42389737185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8097728.

The product of its digits is 10160640, while the sum is 57.

The spelling of 42389737185 in words is "forty-two billion, three hundred eighty-nine million, seven hundred thirty-seven thousand, one hundred eighty-five".