42542363619 has 32 divisors (see below), whose sum is σ = 72046986240. Its totient is φ = 24303986496.

The previous prime is 42542363597. The next prime is 42542363629. The reversal of 42542363619 is 91636324524.

42542363619 is a `hidden beast` number, since 4 + 2 + 5 + 4 + 2 + 3 + 636 + 1 + 9 = 666.

It is not a de Polignac number, because 42542363619 - 2⁵ = 42542363587 is a prime.

It is a super-2 number, since 2×42542363619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42542363629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817122 + ... + 867624.

It is an arithmetic number, because the mean of its divisors is an integer number (2251468320).

Almost surely, 2^42542363619 is an apocalyptic number.

42542363619 is a deficient number, since it is larger than the sum of its proper divisors (29504622621).

42542363619 is a wasteful number, since it uses less digits than its factorization.

42542363619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54976 (or 54970 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The spelling of 42542363619 in words is "forty-two billion, five hundred forty-two million, three hundred sixty-three thousand, six hundred nineteen".