42847156023489 has 24 divisors (see below), whose sum is σ = 64026583271040. Its totient is φ = 27578875155552.

The previous prime is 42847156023481. The next prime is 42847156023521. The reversal of 42847156023489 is 98432065174824.

42847156023489 is a `hidden beast` number, since 4 + 2 + 8 + 4 + 7 + 1 + 560 + 23 + 48 + 9 = 666.

It is not a de Polignac number, because 42847156023489 - 2³ = 42847156023481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42847156023481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5340042 + ... + 10686924.

It is an arithmetic number, because the mean of its divisors is an integer number (2667774302960).

It is a 2-persistent number, because it is pandigital, and so is 2⋅42847156023489 = 85694312046978, but 3⋅42847156023489 = 128541468070467 is not.

Almost surely, 2^{42847156023489} is an apocalyptic number.

It is an amenable number.

42847156023489 is a deficient number, since it is larger than the sum of its proper divisors (21179427247551).

42847156023489 is a wasteful number, since it uses less digits than its factorization.

42847156023489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377621 (or 5377618 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 42847156023489 in words is "forty-two trillion, eight hundred forty-seven billion, one hundred fifty-six million, twenty-three thousand, four hundred eighty-nine".