80082138449 has 16 divisors (see below), whose sum is σ = 82767484800. Its totient is φ = 77434707840.

The previous prime is 80082138407. The next prime is 80082138457. The reversal of 80082138449 is 94483128008.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80082138449 - 2²⁰ = 80081089873 is a prime.

It is a super-4 number, since 4×80082138449⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80082138649) 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, 2105402 + ... + 2143100.

It is an arithmetic number, because the mean of its divisors is an integer number (5172967800).

Almost surely, 2^80082138449 is an apocalyptic number.

It is an amenable number.

80082138449 is a deficient number, since it is larger than the sum of its proper divisors (2685346351).

80082138449 is a wasteful number, since it uses less digits than its factorization.

80082138449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38200.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 80082138449 in words is "eighty billion, eighty-two million, one hundred thirty-eight thousand, four hundred forty-nine".