7144446720853 has 8 divisors (see below), whose sum is σ = 7857722089728. Its totient is φ = 6454557429744.

The previous prime is 7144446720847. The next prime is 7144446720869. The reversal of 7144446720853 is 3580276444417.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7144446720853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7144446720794 and 7144446720803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7144446720883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846518801 + ... + 5846520022.

It is an arithmetic number, because the mean of its divisors is an integer number (982215261216).

Almost surely, 2^{7144446720853} is an apocalyptic number.

It is an amenable number.

7144446720853 is a deficient number, since it is larger than the sum of its proper divisors (713275368875).

7144446720853 is a wasteful number, since it uses less digits than its factorization.

7144446720853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11693038883.

The product of its (nonzero) digits is 18063360, while the sum is 55.

The spelling of 7144446720853 in words is "seven trillion, one hundred forty-four billion, four hundred forty-six million, seven hundred twenty thousand, eight hundred fifty-three".