1382749049917 has 4 divisors (see below), whose sum is σ = 1384803655420. Its totient is φ = 1380694444416.

The previous prime is 1382749049887. The next prime is 1382749049921. The reversal of 1382749049917 is 7199409472831.

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 957826286596 + 424922763321 = 978686^2 + 651861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382749049917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382749049947) 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, 1027301742 + ... + 1027303087.

It is an arithmetic number, because the mean of its divisors is an integer number (346200913855).

Almost surely, 2^{1382749049917} is an apocalyptic number.

It is an amenable number.

1382749049917 is a deficient number, since it is larger than the sum of its proper divisors (2054605503).

1382749049917 is an equidigital number, since it uses as much as digits as its factorization.

1382749049917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054605502.

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 1382749049917 in words is "one trillion, three hundred eighty-two billion, seven hundred forty-nine million, forty-nine thousand, nine hundred seventeen".