2080207930991 has 2 divisors, whose sum is σ = 2080207930992. Its totient is φ = 2080207930990.

The previous prime is 2080207930981. The next prime is 2080207931027. The reversal of 2080207930991 is 1990397020802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2080207930991 - 2²² = 2080203736687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2080207930901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040103965495 + 1040103965496.

It is an arithmetic number, because the mean of its divisors is an integer number (1040103965496).

Almost surely, 2^{2080207930991} is an apocalyptic number.

2080207930991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2080207930991 is an equidigital number, since it uses as much as digits as its factorization.

2080207930991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 2080207930991 in words is "two trillion, eighty billion, two hundred seven million, nine hundred thirty thousand, nine hundred ninety-one".