1427305647173 has 24 divisors (see below), whose sum is σ = 1700385696000. Its totient is φ = 1194038952288.

The previous prime is 1427305647151. The next prime is 1427305647193. The reversal of 1427305647173 is 3717465037241.

It is not a de Polignac number, because 1427305647173 - 2⁶ = 1427305647109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427305647133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36398 + ... + 1689951.

It is an arithmetic number, because the mean of its divisors is an integer number (70849404000).

Almost surely, 2^{1427305647173} is an apocalyptic number.

It is an amenable number.

1427305647173 is a deficient number, since it is larger than the sum of its proper divisors (273080048827).

1427305647173 is a wasteful number, since it uses less digits than its factorization.

1427305647173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726769 (or 1726762 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 1427305647173 in words is "one trillion, four hundred twenty-seven billion, three hundred five million, six hundred forty-seven thousand, one hundred seventy-three".