105446306421 has 12 divisors (see below), whose sum is σ = 152315167680. Its totient is φ = 70295767080.

The previous prime is 105446306417. The next prime is 105446306431. The reversal of 105446306421 is 124603644501.

105446306421 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 4 + 6 + 3 + 0 + 642 + 1 = 666.

It is not a de Polignac number, because 105446306421 - 2² = 105446306417 is a prime.

It is a super-2 number, since 2×105446306421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105446306411) 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 11 ways as a sum of consecutive naturals, for example, 301606 + ... + 549416.

It is an arithmetic number, because the mean of its divisors is an integer number (12692930640).

Almost surely, 2^105446306421 is an apocalyptic number.

It is an amenable number.

105446306421 is a deficient number, since it is larger than the sum of its proper divisors (46868861259).

105446306421 is a wasteful number, since it uses less digits than its factorization.

105446306421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295096 (or 295093 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 105446306421 in words is "one hundred five billion, four hundred forty-six million, three hundred six thousand, four hundred twenty-one".