1373677683920 has 20 divisors (see below), whose sum is σ = 3193800615300. Its totient is φ = 549471073536.

The previous prime is 1373677683857. The next prime is 1373677684051. The reversal of 1373677683920 is 293867763731.

It can be written as a sum of positive squares in 2 ways, for example, as 157659820096 + 1216017863824 = 397064^2 + 1102732^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 8585485445 + ... + 8585485604.

It is an arithmetic number, because the mean of its divisors is an integer number (159690030765).

Almost surely, 2^{1373677683920} is an apocalyptic number.

1373677683920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373677683920 is an abundant number, since it is smaller than the sum of its proper divisors (1820122931380).

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

1373677683920 is a wasteful number, since it uses less digits than its factorization.

1373677683920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17170971062 (or 17170971056 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 62.

It can be divided in two parts, 137367 and 7683920, that added together give a palindrome (7821287).

The spelling of 1373677683920 in words is "one trillion, three hundred seventy-three billion, six hundred seventy-seven million, six hundred eighty-three thousand, nine hundred twenty".