80246837819 has 2 divisors, whose sum is σ = 80246837820. Its totient is φ = 80246837818.

The previous prime is 80246837777. The next prime is 80246837843. The reversal of 80246837819 is 91873864208.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80246837819 is a prime.

It is a super-2 number, since 2×80246837819² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80246837719) 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, 40123418909 + 40123418910.

It is an arithmetic number, because the mean of its divisors is an integer number (40123418910).

Almost surely, 2^80246837819 is an apocalyptic number.

80246837819 is a deficient number, since it is larger than the sum of its proper divisors (1).

80246837819 is an equidigital number, since it uses as much as digits as its factorization.

80246837819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 80246837819 in words is "eighty billion, two hundred forty-six million, eight hundred thirty-seven thousand, eight hundred nineteen".