989116380019 has 2 divisors, whose sum is σ = 989116380020. Its totient is φ = 989116380018.

The previous prime is 989116379957. The next prime is 989116380047. The reversal of 989116380019 is 910083611989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 989116380019 - 2⁹ = 989116379507 is a prime.

It is a super-2 number, since 2×989116380019² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (989116380089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494558190009 + 494558190010.

It is an arithmetic number, because the mean of its divisors is an integer number (494558190010).

Almost surely, 2^989116380019 is an apocalyptic number.

989116380019 is a deficient number, since it is larger than the sum of its proper divisors (1).

989116380019 is an equidigital number, since it uses as much as digits as its factorization.

989116380019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 55.

The spelling of 989116380019 in words is "nine hundred eighty-nine billion, one hundred sixteen million, three hundred eighty thousand, nineteen".