13773221071543 has 8 divisors (see below), whose sum is σ = 13810973054912. Its totient is φ = 13735470299616.

The previous prime is 13773221071541. The next prime is 13773221071573. The reversal of 13773221071543 is 34517012237731.

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 not a de Polignac number, because 13773221071543 - 2¹ = 13773221071541 is a prime.

It is a super-2 number, since 2×13773221071543² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13773221071493 and 13773221071502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13773221071541) 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, 25465321 + ... + 26000557.

It is an arithmetic number, because the mean of its divisors is an integer number (1726371631864).

Almost surely, 2^{13773221071543} is an apocalyptic number.

13773221071543 is a deficient number, since it is larger than the sum of its proper divisors (37751983369).

13773221071543 is an equidigital number, since it uses as much as digits as its factorization.

13773221071543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605721.

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 13773221071543 in words is "thirteen trillion, seven hundred seventy-three billion, two hundred twenty-one million, seventy-one thousand, five hundred forty-three".