80005451534 has 4 divisors (see below), whose sum is σ = 120008177304. Its totient is φ = 40002725766.

The previous prime is 80005451531. The next prime is 80005451609. The reversal of 80005451534 is 43515450008.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80005451494 and 80005451503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80005451531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001362882 + ... + 20001362885.

It is an arithmetic number, because the mean of its divisors is an integer number (30002044326).

Almost surely, 2^80005451534 is an apocalyptic number.

80005451534 is a deficient number, since it is larger than the sum of its proper divisors (40002725770).

80005451534 is a wasteful number, since it uses less digits than its factorization.

80005451534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40002725769.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 80005451534 in words is "eighty billion, five million, four hundred fifty-one thousand, five hundred thirty-four".