7144642239113 has 4 divisors (see below), whose sum is σ = 7564915312020. Its totient is φ = 6724369166208.

The previous prime is 7144642239109. The next prime is 7144642239173. The reversal of 7144642239113 is 3119322464417.

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 5450604630409 + 1694037608704 = 2334653^2 + 1301552^2 .

It is not a de Polignac number, because 7144642239113 - 2² = 7144642239109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7144642239103) 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, 210136536428 + ... + 210136536461.

It is an arithmetic number, because the mean of its divisors is an integer number (1891228828005).

Almost surely, 2^{7144642239113} is an apocalyptic number.

It is an amenable number.

7144642239113 is a deficient number, since it is larger than the sum of its proper divisors (420273072907).

7144642239113 is a wasteful number, since it uses less digits than its factorization.

7144642239113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420273072906.

The product of its digits is 870912, while the sum is 47.

The spelling of 7144642239113 in words is "seven trillion, one hundred forty-four billion, six hundred forty-two million, two hundred thirty-nine thousand, one hundred thirteen".