9883944493889 has 8 divisors (see below), whose sum is σ = 10139864007168. Its totient is φ = 9631053614160.

The previous prime is 9883944493877. The next prime is 9883944493961.

9883944493889 is nontrivially palindromic in base 10.

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 9883944493889 - 2²⁴ = 9883927716673 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 9883944493889.

It is not an unprimeable number, because it can be changed into a prime (9883944493589) 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, 757151777 + ... + 757164830.

It is an arithmetic number, because the mean of its divisors is an integer number (1267483000896).

Almost surely, 2^{9883944493889} is an apocalyptic number.

It is an amenable number.

9883944493889 is a deficient number, since it is larger than the sum of its proper divisors (255919513279).

9883944493889 is a wasteful number, since it uses less digits than its factorization.

9883944493889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514316775.

The product of its digits is 15479341056, while the sum is 86.

The spelling of 9883944493889 in words is "nine trillion, eight hundred eighty-three billion, nine hundred forty-four million, four hundred ninety-three thousand, eight hundred eighty-nine".