2080495891 has 2 divisors, whose sum is σ = 2080495892. Its totient is φ = 2080495890.

The previous prime is 2080495871. The next prime is 2080495919. The reversal of 2080495891 is 1985940802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2080495891 - 2¹³ = 2080487699 is a prime.

It is not a weakly prime, because it can be changed into another prime (2080495811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040247945 + 1040247946.

It is an arithmetic number, because the mean of its divisors is an integer number (1040247946).

Almost surely, 2^2080495891 is an apocalyptic number.

2080495891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2080495891 is an equidigital number, since it uses as much as digits as its factorization.

2080495891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 2080495891 is about 45612.4532447006. The cubic root of 2080495891 is about 1276.6022948665.

The spelling of 2080495891 in words is "two billion, eighty million, four hundred ninety-five thousand, eight hundred ninety-one".