80950843219 has 4 divisors (see below), whose sum is σ = 85712657544. Its totient is φ = 76189028896.

The previous prime is 80950843139. The next prime is 80950843231. The reversal of 80950843219 is 91234805908.

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 80950843219 - 2¹⁷ = 80950712147 is a prime.

It is a super-2 number, since 2×80950843219² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (80950843279) 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, 2380907137 + ... + 2380907170.

It is an arithmetic number, because the mean of its divisors is an integer number (21428164386).

Almost surely, 2^80950843219 is an apocalyptic number.

80950843219 is a deficient number, since it is larger than the sum of its proper divisors (4761814325).

80950843219 is a wasteful number, since it uses less digits than its factorization.

80950843219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761814324.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 80950843219 in words is "eighty billion, nine hundred fifty million, eight hundred forty-three thousand, two hundred nineteen".