2116489249 has 16 divisors (see below), whose sum is σ = 2608260480. Its totient is φ = 1676730240.

The previous prime is 2116489247. The next prime is 2116489261. The reversal of 2116489249 is 9429846112.

It is not a de Polignac number, because 2116489249 - 2¹ = 2116489247 is a prime.

It is a super-2 number, since 2×2116489249² = 8959053482265168002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2116489199 and 2116489208.

It is not an unprimeable number, because it can be changed into a prime (2116489247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188614 + ... + 199519.

It is an arithmetic number, because the mean of its divisors is an integer number (163016280).

Almost surely, 2^2116489249 is an apocalyptic number.

It is an amenable number.

2116489249 is a deficient number, since it is larger than the sum of its proper divisors (491771231).

2116489249 is a wasteful number, since it uses less digits than its factorization.

2116489249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388200.

The product of its digits is 248832, while the sum is 46.

The square root of 2116489249 is about 46005.3176165538. The cubic root of 2116489249 is about 1283.9221429760.

The spelling of 2116489249 in words is "two billion, one hundred sixteen million, four hundred eighty-nine thousand, two hundred forty-nine".