989116380001 has 4 divisors (see below), whose sum is σ = 989121688852. Its totient is φ = 989111071152.

The previous prime is 989116379957. The next prime is 989116380019. The reversal of 989116380001 is 100083611989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100083611989 = 5653 ⋅17704513.

It can be written as a sum of positive squares in 2 ways, for example, as 352599627601 + 636516752400 = 593801^2 + 797820^2 .

It is a cyclic number.

It is not a de Polignac number, because 989116380001 - 2²⁹ = 988579509089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989116380101) 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, 2364390 + ... + 2751103.

It is an arithmetic number, because the mean of its divisors is an integer number (247280422213).

Almost surely, 2^989116380001 is an apocalyptic number.

It is an amenable number.

989116380001 is a deficient number, since it is larger than the sum of its proper divisors (5308851).

989116380001 is a wasteful number, since it uses less digits than its factorization.

989116380001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308850.

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 989116380001 in words is "nine hundred eighty-nine billion, one hundred sixteen million, three hundred eighty thousand, one".