2080619999 has 4 divisors (see below), whose sum is σ = 2080722336. Its totient is φ = 2080517664.

The previous prime is 2080619929. The next prime is 2080620019. The reversal of 2080619999 is 9999160802.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2080619999 - 2²⁰ = 2079571423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2080619999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2080619929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9194 + ... + 65159.

It is an arithmetic number, because the mean of its divisors is an integer number (520180584).

Almost surely, 2^2080619999 is an apocalyptic number.

2080619999 is a deficient number, since it is larger than the sum of its proper divisors (102337).

2080619999 is an equidigital number, since it uses as much as digits as its factorization.

2080619999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102336.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 2080619999 is about 45613.8136862069. The cubic root of 2080619999 is about 1276.6276787839.

The spelling of 2080619999 in words is "two billion, eighty million, six hundred nineteen thousand, nine hundred ninety-nine".