1027848246409 has 4 divisors (see below), whose sum is σ = 1027936432404. Its totient is φ = 1027760060416.

The previous prime is 1027848246377. The next prime is 1027848246431. The reversal of 1027848246409 is 9046428487201.

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 301044255625 + 726803990784 = 548675^2 + 852528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1027848246409 - 2⁵ = 1027848246377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1027848246409.

It is not an unprimeable number, because it can be changed into a prime (1027848249409) by changing a digit.

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, 44075512 + ... + 44098825.

It is an arithmetic number, because the mean of its divisors is an integer number (256984108101).

Almost surely, 2^{1027848246409} is an apocalyptic number.

It is an amenable number.

1027848246409 is a deficient number, since it is larger than the sum of its proper divisors (88185995).

1027848246409 is an equidigital number, since it uses as much as digits as its factorization.

1027848246409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88185994.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 1027848246409 in words is "one trillion, twenty-seven billion, eight hundred forty-eight million, two hundred forty-six thousand, four hundred nine".