8443351101013 has 4 divisors (see below), whose sum is σ = 8443368943468. Its totient is φ = 8443333258560.

The previous prime is 8443351101011. The next prime is 8443351101061. The reversal of 8443351101013 is 3101011533448.

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 5619260768004 + 2824090333009 = 2370498^2 + 1680503^2 .

It is a cyclic number.

It is not a de Polignac number, because 8443351101013 - 2¹ = 8443351101011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8443351101013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8443351101011) 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, 8191506 + ... + 9164467.

It is an arithmetic number, because the mean of its divisors is an integer number (2110842235867).

Almost surely, 2^{8443351101013} is an apocalyptic number.

It is an amenable number.

8443351101013 is a deficient number, since it is larger than the sum of its proper divisors (17842455).

8443351101013 is a wasteful number, since it uses less digits than its factorization.

8443351101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17842454.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 8443351101013 in words is "eight trillion, four hundred forty-three billion, three hundred fifty-one million, one hundred one thousand, thirteen".