42685877481 has 16 divisors (see below), whose sum is σ = 61310807040. Its totient is φ = 26260404480.

The previous prime is 42685877467. The next prime is 42685877513. The reversal of 42685877481 is 18477858624.

42685877481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42685877481 - 2⁹ = 42685876969 is a prime.

It is a super-3 number, since 3×42685877481³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (42685877441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29136 + ... + 293633.

It is an arithmetic number, because the mean of its divisors is an integer number (3831925440).

Almost surely, 2^42685877481 is an apocalyptic number.

It is an amenable number.

42685877481 is a deficient number, since it is larger than the sum of its proper divisors (18624929559).

42685877481 is a wasteful number, since it uses less digits than its factorization.

42685877481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326176.

The product of its digits is 24084480, while the sum is 60.

The spelling of 42685877481 in words is "forty-two billion, six hundred eighty-five million, eight hundred seventy-seven thousand, four hundred eighty-one".