80504837443 has 2 divisors, whose sum is σ = 80504837444. Its totient is φ = 80504837442.

The previous prime is 80504837431. The next prime is 80504837453. The reversal of 80504837443 is 34473840508.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80504837443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80504837393 and 80504837402.

It is not a weakly prime, because it can be changed into another prime (80504837453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40252418721 + 40252418722.

It is an arithmetic number, because the mean of its divisors is an integer number (40252418722).

Almost surely, 2^80504837443 is an apocalyptic number.

80504837443 is a deficient number, since it is larger than the sum of its proper divisors (1).

80504837443 is an equidigital number, since it uses as much as digits as its factorization.

80504837443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 80504837443 in words is "eighty billion, five hundred four million, eight hundred thirty-seven thousand, four hundred forty-three".