42686197483738 has 16 divisors (see below), whose sum is σ = 65771272818504. Its totient is φ = 20762640843840.

The previous prime is 42686197483679. The next prime is 42686197483753. The reversal of 42686197483738 is 83738479168624.

42686197483738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41195178212409 + 1491019271329 = 6418347^2 + 1221073^2 .

It is a super-3 number, since 3×42686197483738³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49813845 + ... + 50663512.

Almost surely, 2^{42686197483738} is an apocalyptic number.

42686197483738 is a deficient number, since it is larger than the sum of its proper divisors (23085075334766).

42686197483738 is a wasteful number, since it uses less digits than its factorization.

42686197483738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100483137.

The product of its digits is 2341011456, while the sum is 76.

The spelling of 42686197483738 in words is "forty-two trillion, six hundred eighty-six billion, one hundred ninety-seven million, four hundred eighty-three thousand, seven hundred thirty-eight".