80445013049 has 16 divisors (see below), whose sum is σ = 86162832000. Its totient is φ = 74919757440.

The previous prime is 80445013037. The next prime is 80445013057. The reversal of 80445013049 is 94031054408.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80445013049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80445013949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385079 + ... + 556035.

It is an arithmetic number, because the mean of its divisors is an integer number (5385177000).

Almost surely, 2^80445013049 is an apocalyptic number.

It is an amenable number.

80445013049 is a deficient number, since it is larger than the sum of its proper divisors (5717818951).

80445013049 is a wasteful number, since it uses less digits than its factorization.

80445013049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171520.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 80445013049 in words is "eighty billion, four hundred forty-five million, thirteen thousand, forty-nine".