42846828661844 has 6 divisors (see below), whose sum is σ = 74981950158234. Its totient is φ = 21423414330920.

The previous prime is 42846828661837. The next prime is 42846828661877. The reversal of 42846828661844 is 44816682864824.

It can be written as a sum of positive squares in only one way, i.e., 37059628626244 + 5787200035600 = 6087662^2 + 2405660^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5355853582727 + ... + 5355853582734.

It is an arithmetic number, because the mean of its divisors is an integer number (12496991693039).

Almost surely, 2^{42846828661844} is an apocalyptic number.

It is an amenable number.

42846828661844 is a deficient number, since it is larger than the sum of its proper divisors (32135121496390).

42846828661844 is a wasteful number, since it uses less digits than its factorization.

42846828661844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711707165465 (or 10711707165463 counting only the distinct ones).

The product of its digits is 905969664, while the sum is 71.

The spelling of 42846828661844 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred twenty-eight million, six hundred sixty-one thousand, eight hundred forty-four".