42930160985 has 4 divisors (see below), whose sum is σ = 51516193188. Its totient is φ = 34344128784.

The previous prime is 42930160927. The next prime is 42930161009. The reversal of 42930160985 is 58906103924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33003625561 + 9926535424 = 181669^2 + 99632^2 .

It is a cyclic number.

It is not a de Polignac number, because 42930160985 - 2⁸ = 42930160729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293016094 + ... + 4293016103.

It is an arithmetic number, because the mean of its divisors is an integer number (12879048297).

Almost surely, 2^42930160985 is an apocalyptic number.

It is an amenable number.

42930160985 is a deficient number, since it is larger than the sum of its proper divisors (8586032203).

42930160985 is an equidigital number, since it uses as much as digits as its factorization.

42930160985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586032202.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 42930160985 in words is "forty-two billion, nine hundred thirty million, one hundred sixty thousand, nine hundred eighty-five".