8881243558013 has 4 divisors (see below), whose sum is σ = 8882728473468. Its totient is φ = 8879758642560.

The previous prime is 8881243558009. The next prime is 8881243558037. The reversal of 8881243558013 is 3108553421888.

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 2761270153849 + 6119973404164 = 1661707^2 + 2473858^2 .

It is a cyclic number.

It is not a de Polignac number, because 8881243558013 - 2² = 8881243558009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8881243558013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8881243558043) 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, 742448756 + ... + 742460717.

It is an arithmetic number, because the mean of its divisors is an integer number (2220682118367).

Almost surely, 2^{8881243558013} is an apocalyptic number.

It is an amenable number.

8881243558013 is a deficient number, since it is larger than the sum of its proper divisors (1484915455).

8881243558013 is a wasteful number, since it uses less digits than its factorization.

8881243558013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484915454.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 8881243558013 in words is "eight trillion, eight hundred eighty-one billion, two hundred forty-three million, five hundred fifty-eight thousand, thirteen".