80413854643 has 4 divisors (see below), whose sum is σ = 80416560960. Its totient is φ = 80411148328.

The previous prime is 80413854617. The next prime is 80413854683. The reversal of 80413854643 is 34645831408.

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 80413854643 - 2⁵ = 80413854611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80413854593 and 80413854602.

It is not an unprimeable number, because it can be changed into a prime (80413854683) 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 3 ways as a sum of consecutive naturals, for example, 1308088 + ... + 1368181.

It is an arithmetic number, because the mean of its divisors is an integer number (20104140240).

Almost surely, 2^80413854643 is an apocalyptic number.

80413854643 is a deficient number, since it is larger than the sum of its proper divisors (2706317).

80413854643 is a wasteful number, since it uses less digits than its factorization.

80413854643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706316.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 80413854643 in words is "eighty billion, four hundred thirteen million, eight hundred fifty-four thousand, six hundred forty-three".