80337800449 has 4 divisors (see below), whose sum is σ = 83108069460. Its totient is φ = 77567531440.

The previous prime is 80337800447. The next prime is 80337800537. The reversal of 80337800449 is 94400873308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26342913025 + 53994887424 = 162305^2 + 232368^2 .

It is a cyclic number.

It is not a de Polignac number, because 80337800449 - 2¹ = 80337800447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80337800399 and 80337800408.

It is not an unprimeable number, because it can be changed into a prime (80337800447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385134462 + ... + 1385134519.

It is an arithmetic number, because the mean of its divisors is an integer number (20777017365).

Almost surely, 2^80337800449 is an apocalyptic number.

It is an amenable number.

80337800449 is a deficient number, since it is larger than the sum of its proper divisors (2770269011).

80337800449 is a wasteful number, since it uses less digits than its factorization.

80337800449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770269010.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 80337800449 in words is "eighty billion, three hundred thirty-seven million, eight hundred thousand, four hundred forty-nine".