42093791827 has 4 divisors (see below), whose sum is σ = 43545301920. Its totient is φ = 40642281736.

The previous prime is 42093791819. The next prime is 42093791837. The reversal of 42093791827 is 72819739024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42093791827 - 2³ = 42093791819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42093791807) 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 3 ways as a sum of consecutive naturals, for example, 725755003 + ... + 725755060.

It is an arithmetic number, because the mean of its divisors is an integer number (10886325480).

Almost surely, 2^42093791827 is an apocalyptic number.

42093791827 is a deficient number, since it is larger than the sum of its proper divisors (1451510093).

42093791827 is a wasteful number, since it uses less digits than its factorization.

42093791827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451510092.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 42093791827 in words is "forty-two billion, ninety-three million, seven hundred ninety-one thousand, eight hundred twenty-seven".