2080469891 has 2 divisors, whose sum is σ = 2080469892. Its totient is φ = 2080469890.

The previous prime is 2080469887. The next prime is 2080469893. The reversal of 2080469891 is 1989640802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2080469891 - 2² = 2080469887 is a prime.

Together with 2080469893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2080469893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040234945 + 1040234946.

It is an arithmetic number, because the mean of its divisors is an integer number (1040234946).

Almost surely, 2^2080469891 is an apocalyptic number.

2080469891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2080469891 is an equidigital number, since it uses as much as digits as its factorization.

2080469891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 2080469891 is about 45612.1682339263. The cubic root of 2080469891 is about 1276.5969769360.

The spelling of 2080469891 in words is "two billion, eighty million, four hundred sixty-nine thousand, eight hundred ninety-one".