1373933648128 has 72 divisors (see below), whose sum is σ = 2763741456000. Its totient is φ = 681666607104.

The previous prime is 1373933648119. The next prime is 1373933648159. The reversal of 1373933648128 is 8218463393731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17275398 + ... + 17354746.

It is an arithmetic number, because the mean of its divisors is an integer number (38385298000).

Almost surely, 2^{1373933648128} 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 1373933648128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381870728000).

1373933648128 is an abundant number, since it is smaller than the sum of its proper divisors (1389807807872).

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

1373933648128 is an equidigital number, since it uses as much as digits as its factorization.

1373933648128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79887 (or 79873 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 58.

The spelling of 1373933648128 in words is "one trillion, three hundred seventy-three billion, nine hundred thirty-three million, six hundred forty-eight thousand, one hundred twenty-eight".