427645450105 has 8 divisors (see below), whose sum is σ = 513279534600. Its totient is φ = 342046363776.

The previous prime is 427645450093. The next prime is 427645450201. The reversal of 427645450105 is 501054546724.

It can be written as a sum of positive squares in 4 ways, for example, as 12517805689 + 415127644416 = 111883^2 + 644304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427645450105 - 2¹¹ = 427645448057 is a prime.

It is a super-2 number, since 2×427645450105² (a number of 24 digits) contains 22 as substring.

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, 8722650 + ... + 8771539.

It is an arithmetic number, because the mean of its divisors is an integer number (64159941825).

Almost surely, 2^427645450105 is an apocalyptic number.

It is an amenable number.

427645450105 is a deficient number, since it is larger than the sum of its proper divisors (85634084495).

427645450105 is a wasteful number, since it uses less digits than its factorization.

427645450105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17499083.

The product of its (nonzero) digits is 672000, while the sum is 43.

Adding to 427645450105 its reverse (501054546724), we get a palindrome (928699996829).

The spelling of 427645450105 in words is "four hundred twenty-seven billion, six hundred forty-five million, four hundred fifty thousand, one hundred five".