1386751242241 has 4 divisors (see below), whose sum is σ = 1386790318084. Its totient is φ = 1386712166400.

The previous prime is 1386751242167. The next prime is 1386751242389. The reversal of 1386751242241 is 1422421576831.

It is a happy number.

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 896043987216 + 490707255025 = 946596^2 + 700505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1386751242241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1386751242191 and 1386751242200.

It is not an unprimeable number, because it can be changed into a prime (1386751242641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19484640 + ... + 19555681.

It is an arithmetic number, because the mean of its divisors is an integer number (346697579521).

Almost surely, 2^{1386751242241} is an apocalyptic number.

It is an amenable number.

1386751242241 is a deficient number, since it is larger than the sum of its proper divisors (39075843).

1386751242241 is an equidigital number, since it uses as much as digits as its factorization.

1386751242241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39075842.

The product of its digits is 645120, while the sum is 46.

The spelling of 1386751242241 in words is "one trillion, three hundred eighty-six billion, seven hundred fifty-one million, two hundred forty-two thousand, two hundred forty-one".