42971292968 has 16 divisors (see below), whose sum is σ = 80573630580. Its totient is φ = 21484991488.

The previous prime is 42971292961. The next prime is 42971293003. The reversal of 42971292968 is 86929217924.

It can be written as a sum of positive squares in 2 ways, for example, as 39584285764 + 3387007204 = 198958^2 + 58198^2 .

It is not an unprimeable number, because it can be changed into a prime (42971292961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303830 + ... + 422202.

Almost surely, 2^42971292968 is an apocalyptic number.

It is an amenable number.

42971292968 is a deficient number, since it is larger than the sum of its proper divisors (37602337612).

42971292968 is a wasteful number, since it uses less digits than its factorization.

42971292968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163756 (or 163752 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The spelling of 42971292968 in words is "forty-two billion, nine hundred seventy-one million, two hundred ninety-two thousand, nine hundred sixty-eight".