1406461646305 has 4 divisors (see below), whose sum is σ = 1687753975572. Its totient is φ = 1125169317040.

The previous prime is 1406461646267. The next prime is 1406461646347. The reversal of 1406461646305 is 5036461646041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 709408645696 + 697053000609 = 842264^2 + 834897^2 .

It is not a de Polignac number, because 1406461646305 - 2¹⁵ = 1406461613537 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140646164626 + ... + 140646164635.

It is an arithmetic number, because the mean of its divisors is an integer number (421938493893).

Almost surely, 2^{1406461646305} is an apocalyptic number.

It is an amenable number.

1406461646305 is a deficient number, since it is larger than the sum of its proper divisors (281292329267).

1406461646305 is an equidigital number, since it uses as much as digits as its factorization.

1406461646305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281292329266.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 1406461646305 in words is "one trillion, four hundred six billion, four hundred sixty-one million, six hundred forty-six thousand, three hundred five".