80654484139 has 4 divisors (see below), whose sum is σ = 80692656856. Its totient is φ = 80616311424.

The previous prime is 80654484133. The next prime is 80654484227. The reversal of 80654484139 is 93148445608.

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

It is a cyclic number.

It is not a de Polignac number, because 80654484139 - 2⁹ = 80654483627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80654484133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19083189 + ... + 19087414.

It is an arithmetic number, because the mean of its divisors is an integer number (20173164214).

Almost surely, 2^80654484139 is an apocalyptic number.

80654484139 is a deficient number, since it is larger than the sum of its proper divisors (38172717).

80654484139 is a wasteful number, since it uses less digits than its factorization.

80654484139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38172716.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 80654484139 in words is "eighty billion, six hundred fifty-four million, four hundred eighty-four thousand, one hundred thirty-nine".