2116915499 has 8 divisors (see below), whose sum is σ = 2186395200. Its totient is φ = 2048356296.

The previous prime is 2116915483. The next prime is 2116915501. The reversal of 2116915499 is 9945196112.

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 2116915499 - 2⁴ = 2116915483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2116915439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225449 + ... + 234650.

It is an arithmetic number, because the mean of its divisors is an integer number (273299400).

Almost surely, 2^2116915499 is an apocalyptic number.

2116915499 is a deficient number, since it is larger than the sum of its proper divisors (69479701).

2116915499 is a wasteful number, since it uses less digits than its factorization.

2116915499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460249.

The product of its digits is 174960, while the sum is 47.

The square root of 2116915499 is about 46009.9499999728. The cubic root of 2116915499 is about 1284.0083289525.

The spelling of 2116915499 in words is "two billion, one hundred sixteen million, nine hundred fifteen thousand, four hundred ninety-nine".