1383270819377 has 4 divisors (see below), whose sum is σ = 1420656517236. Its totient is φ = 1345885121520.

The previous prime is 1383270819341. The next prime is 1383270819379. The reversal of 1383270819377 is 7739180723831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 718224045361 + 665046774016 = 847481^2 + 815504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383270819377 - 2¹⁰ = 1383270818353 is a prime.

It is a super-3 number, since 3×1383270819377³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383270819379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18692848874 + ... + 18692848947.

It is an arithmetic number, because the mean of its divisors is an integer number (355164129309).

Almost surely, 2^{1383270819377} is an apocalyptic number.

It is an amenable number.

1383270819377 is a deficient number, since it is larger than the sum of its proper divisors (37385697859).

1383270819377 is an equidigital number, since it uses as much as digits as its factorization.

1383270819377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37385697858.

The product of its (nonzero) digits is 10668672, while the sum is 59.

The spelling of 1383270819377 in words is "one trillion, three hundred eighty-three billion, two hundred seventy million, eight hundred nineteen thousand, three hundred seventy-seven".