1363870523809 has 4 divisors (see below), whose sum is σ = 1366791017904. Its totient is φ = 1360950029716.

The previous prime is 1363870523767. The next prime is 1363870523843. The reversal of 1363870523809 is 9083250783631.

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 not a de Polignac number, because 1363870523809 - 2¹³ = 1363870515617 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 1363870523809.

It is not an unprimeable number, because it can be changed into a prime (1363870529809) 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, 1460246347 + ... + 1460247280.

It is an arithmetic number, because the mean of its divisors is an integer number (341697754476).

Almost surely, 2^{1363870523809} is an apocalyptic number.

It is an amenable number.

1363870523809 is a deficient number, since it is larger than the sum of its proper divisors (2920494095).

1363870523809 is an equidigital number, since it uses as much as digits as its factorization.

1363870523809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920494094.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 1363870523809 in words is "one trillion, three hundred sixty-three billion, eight hundred seventy million, five hundred twenty-three thousand, eight hundred nine".