1382687882861 has 4 divisors (see below), whose sum is σ = 1427290717824. Its totient is φ = 1338085047900.

The previous prime is 1382687882843. The next prime is 1382687882869. The reversal of 1382687882861 is 1682887862831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1382687882861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1382687882791 and 1382687882800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382687882869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22301417435 + ... + 22301417496.

It is an arithmetic number, because the mean of its divisors is an integer number (356822679456).

Almost surely, 2^{1382687882861} is an apocalyptic number.

It is an amenable number.

1382687882861 is a deficient number, since it is larger than the sum of its proper divisors (44602834963).

1382687882861 is an equidigital number, since it uses as much as digits as its factorization.

1382687882861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44602834962.

The product of its digits is 99090432, while the sum is 68.

The spelling of 1382687882861 in words is "one trillion, three hundred eighty-two billion, six hundred eighty-seven million, eight hundred eighty-two thousand, eight hundred sixty-one".