1329636674848 has 96 divisors (see below), whose sum is σ = 2777581920960. Its totient is φ = 625468677120.

The previous prime is 1329636674827. The next prime is 1329636674851. The reversal of 1329636674848 is 8484766369231.

It is a super-4 number, since 4×1329636674848⁴ (a number of 50 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16760011 + ... + 16839157.

It is an arithmetic number, because the mean of its divisors is an integer number (28933145010).

Almost surely, 2^{1329636674848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329636674848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388790960480).

1329636674848 is an abundant number, since it is smaller than the sum of its proper divisors (1447945246112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329636674848 is a wasteful number, since it uses less digits than its factorization.

1329636674848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79650 (or 79642 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 67.

The spelling of 1329636674848 in words is "one trillion, three hundred twenty-nine billion, six hundred thirty-six million, six hundred seventy-four thousand, eight hundred forty-eight".