2116493079 has 4 divisors (see below), whose sum is σ = 2821990776. Its totient is φ = 1410995384.

The previous prime is 2116493059. The next prime is 2116493107. The reversal of 2116493079 is 9703946112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116493079 - 2¹¹ = 2116491031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116493079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116493059) 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, 352748844 + ... + 352748849.

It is an arithmetic number, because the mean of its divisors is an integer number (705497694).

Almost surely, 2^2116493079 is an apocalyptic number.

2116493079 is a deficient number, since it is larger than the sum of its proper divisors (705497697).

2116493079 is an equidigital number, since it uses as much as digits as its factorization.

2116493079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705497696.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 2116493079 is about 46005.3592421579. The cubic root of 2116493079 is about 1283.9229174376.

The spelling of 2116493079 in words is "two billion, one hundred sixteen million, four hundred ninety-three thousand, seventy-nine".