1327432543573 has 16 divisors (see below), whose sum is σ = 1413067303296. Its totient is φ = 1242649359360.

The previous prime is 1327432543553. The next prime is 1327432543601. The reversal of 1327432543573 is 3753452347231.

It is a cyclic number.

It is not a de Polignac number, because 1327432543573 - 2⁹ = 1327432543061 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 (1327432543553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3174990 + ... + 3568672.

It is an arithmetic number, because the mean of its divisors is an integer number (88316706456).

Almost surely, 2^{1327432543573} is an apocalyptic number.

It is an amenable number.

1327432543573 is a deficient number, since it is larger than the sum of its proper divisors (85634759723).

1327432543573 is a wasteful number, since it uses less digits than its factorization.

1327432543573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394764.

The product of its digits is 6350400, while the sum is 49.

The spelling of 1327432543573 in words is "one trillion, three hundred twenty-seven billion, four hundred thirty-two million, five hundred forty-three thousand, five hundred seventy-three".