7138844244403 has 4 divisors (see below), whose sum is σ = 7139061944800. Its totient is φ = 7138626544008.

The previous prime is 7138844244397. The next prime is 7138844244407. The reversal of 7138844244403 is 3044424488317.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7138844244403 - 2¹³ = 7138844236211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138844244407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108801003 + ... + 108866596.

It is an arithmetic number, because the mean of its divisors is an integer number (1784765486200).

Almost surely, 2^{7138844244403} is an apocalyptic number.

7138844244403 is a deficient number, since it is larger than the sum of its proper divisors (217700397).

7138844244403 is a wasteful number, since it uses less digits than its factorization.

7138844244403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217700396.

The product of its (nonzero) digits is 8257536, while the sum is 52.

The spelling of 7138844244403 in words is "seven trillion, one hundred thirty-eight billion, eight hundred forty-four million, two hundred forty-four thousand, four hundred three".