42761161682 has 6 divisors (see below), whose sum is σ = 64142181189. Its totient is φ = 21380434620.

The previous prime is 42761161679. The next prime is 42761161687. The reversal of 42761161682 is 28616116724.

It can be written as a sum of positive squares in 2 ways, for example, as 41391495601 + 1369666081 = 203449^2 + 37009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=146221.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42761161687) 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 2 ways as a sum of consecutive naturals, for example, 219332 + ... + 365552.

Almost surely, 2^42761161682 is an apocalyptic number.

42761161682 is a deficient number, since it is larger than the sum of its proper divisors (21381019507).

42761161682 is an frugal number, since it uses more digits than its factorization.

42761161682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292444 (or 146223 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The spelling of 42761161682 in words is "forty-two billion, seven hundred sixty-one million, one hundred sixty-one thousand, six hundred eighty-two".