42729683188 has 12 divisors (see below), whose sum is σ = 74792029060. Its totient is φ = 21360532032.

The previous prime is 42729683099. The next prime is 42729683203. The reversal of 42729683188 is 88138692724.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5891790564 + 36837892624 = 76758^2 + 191932^2 .

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055031 + ... + 1094782.

Almost surely, 2^42729683188 is an apocalyptic number.

It is an amenable number.

42729683188 is a deficient number, since it is larger than the sum of its proper divisors (32062345872).

42729683188 is a wasteful number, since it uses less digits than its factorization.

42729683188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154786 (or 2154784 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 58.

The spelling of 42729683188 in words is "forty-two billion, seven hundred twenty-nine million, six hundred eighty-three thousand, one hundred eighty-eight".