1329731450948 has 6 divisors (see below), whose sum is σ = 2327030039166. Its totient is φ = 664865725472.

The previous prime is 1329731450947. The next prime is 1329731450951. The reversal of 1329731450948 is 8490541379231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 747132039424 + 582599411524 = 864368^2 + 763282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1329731450893 and 1329731450902.

It is not an unprimeable number, because it can be changed into a prime (1329731450947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166216431365 + ... + 166216431372.

It is an arithmetic number, because the mean of its divisors is an integer number (387838339861).

Almost surely, 2^{1329731450948} is an apocalyptic number.

It is an amenable number.

1329731450948 is a deficient number, since it is larger than the sum of its proper divisors (997298588218).

1329731450948 is a wasteful number, since it uses less digits than its factorization.

1329731450948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332432862741 (or 332432862739 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 1329731450948 in words is "one trillion, three hundred twenty-nine billion, seven hundred thirty-one million, four hundred fifty thousand, nine hundred forty-eight".