1329522648947 has 8 divisors (see below), whose sum is σ = 1358144838144. Its totient is φ = 1301031454528.

The previous prime is 1329522648943. The next prime is 1329522648977. The reversal of 1329522648947 is 7498462259231.

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 1329522648947 - 2² = 1329522648943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1329522648947.

It is not an unprimeable number, because it can be changed into a prime (1329522648943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32728178 + ... + 32768775.

It is an arithmetic number, because the mean of its divisors is an integer number (169768104768).

Almost surely, 2^{1329522648947} is an apocalyptic number.

1329522648947 is a deficient number, since it is larger than the sum of its proper divisors (28622189197).

1329522648947 is an equidigital number, since it uses as much as digits as its factorization.

1329522648947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65497389.

The product of its digits is 52254720, while the sum is 62.

The spelling of 1329522648947 in words is "one trillion, three hundred twenty-nine billion, five hundred twenty-two million, six hundred forty-eight thousand, nine hundred forty-seven".