2016989399 has 8 divisors (see below), whose sum is σ = 2106615120. Its totient is φ = 1929211776.

The previous prime is 2016989389. The next prime is 2016989413. The reversal of 2016989399 is 9939896102.

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 2016989399 - 2¹² = 2016985303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016989389) 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, 459794 + ... + 464159.

It is an arithmetic number, because the mean of its divisors is an integer number (263326890).

Almost surely, 2^2016989399 is an apocalyptic number.

2016989399 is a deficient number, since it is larger than the sum of its proper divisors (89625721).

2016989399 is an equidigital number, since it uses as much as digits as its factorization.

2016989399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924049.

The product of its (nonzero) digits is 1889568, while the sum is 56.

The square root of 2016989399 is about 44910.9051233662. The cubic root of 2016989399 is about 1263.4785457813.

The spelling of 2016989399 in words is "two billion, sixteen million, nine hundred eighty-nine thousand, three hundred ninety-nine".