42477838105 has 4 divisors (see below), whose sum is σ = 50973405732. Its totient is φ = 33982270480.

The previous prime is 42477838099. The next prime is 42477838111. The reversal of 42477838105 is 50183877424.

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

It is an interprime number because it is at equal distance from previous prime (42477838099) and next prime (42477838111).

It can be written as a sum of positive squares in 2 ways, for example, as 25438974016 + 17038864089 = 159496^2 + 130533^2 .

It is not a de Polignac number, because 42477838105 - 2³ = 42477838097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 4247783806 + ... + 4247783815.

It is an arithmetic number, because the mean of its divisors is an integer number (12743351433).

Almost surely, 2^42477838105 is an apocalyptic number.

It is an amenable number.

42477838105 is a deficient number, since it is larger than the sum of its proper divisors (8495567627).

42477838105 is an equidigital number, since it uses as much as digits as its factorization.

42477838105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8495567626.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 42477838105 in words is "forty-two billion, four hundred seventy-seven million, eight hundred thirty-eight thousand, one hundred five".