2116673249 has 4 divisors (see below), whose sum is σ = 2118692100. Its totient is φ = 2114654400.

The previous prime is 2116673239. The next prime is 2116673291. The reversal of 2116673249 is 9423766112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 940526224 + 1176147025 = 30668^2 + 34295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116673249 - 2⁸ = 2116672993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116673219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007852 + ... + 1009949.

It is an arithmetic number, because the mean of its divisors is an integer number (529673025).

Almost surely, 2^2116673249 is an apocalyptic number.

It is an amenable number.

2116673249 is a deficient number, since it is larger than the sum of its proper divisors (2018851).

2116673249 is a wasteful number, since it uses less digits than its factorization.

2116673249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018850.

The product of its digits is 108864, while the sum is 41.

The square root of 2116673249 is about 46007.3173419186. The cubic root of 2116673249 is about 1283.9593484298.

The spelling of 2116673249 in words is "two billion, one hundred sixteen million, six hundred seventy-three thousand, two hundred forty-nine".