80489236541 has 48 divisors (see below), whose sum is σ = 99582233472. Its totient is φ = 63698918400.

The previous prime is 80489236537. The next prime is 80489236547. The reversal of 80489236541 is 14563298408.

It is not a de Polignac number, because 80489236541 - 2² = 80489236537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80489236541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80489236547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68734886 + ... + 68736056.

It is an arithmetic number, because the mean of its divisors is an integer number (2074629864).

Almost surely, 2^80489236541 is an apocalyptic number.

It is an amenable number.

80489236541 is a deficient number, since it is larger than the sum of its proper divisors (19092996931).

80489236541 is a wasteful number, since it uses less digits than its factorization.

80489236541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 80489236541 in words is "eighty billion, four hundred eighty-nine million, two hundred thirty-six thousand, five hundred forty-one".