80541964199 has 2 divisors, whose sum is σ = 80541964200. Its totient is φ = 80541964198.

The previous prime is 80541964189. The next prime is 80541964201. The reversal of 80541964199 is 99146914508.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80541964199 is a prime.

Together with 80541964201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80541964189) 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 as a sum of consecutive naturals, namely, 40270982099 + 40270982100.

It is an arithmetic number, because the mean of its divisors is an integer number (40270982100).

Almost surely, 2^80541964199 is an apocalyptic number.

80541964199 is a deficient number, since it is larger than the sum of its proper divisors (1).

80541964199 is an equidigital number, since it uses as much as digits as its factorization.

80541964199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 80541964199 in words is "eighty billion, five hundred forty-one million, nine hundred sixty-four thousand, one hundred ninety-nine".