1328449548670 has 8 divisors (see below), whose sum is σ = 2391209187624. Its totient is φ = 531379819464.

The previous prime is 1328449548659. The next prime is 1328449548721. The reversal of 1328449548670 is 768459448231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1328449548599 and 1328449548608.

It is a congruent 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, 66422477424 + ... + 66422477443.

It is an arithmetic number, because the mean of its divisors is an integer number (298901148453).

It is a 1-persistent number, because it is pandigital, but 2⋅1328449548670 = 2656899097340 is not.

Almost surely, 2^{1328449548670} is an apocalyptic number.

1328449548670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328449548670 is a deficient number, since it is larger than the sum of its proper divisors (1062759638954).

1328449548670 is a wasteful number, since it uses less digits than its factorization.

1328449548670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132844954874.

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 1328449548670 in words is "one trillion, three hundred twenty-eight billion, four hundred forty-nine million, five hundred forty-eight thousand, six hundred seventy".