801912289 has 8 divisors (see below), whose sum is σ = 829025120. Its totient is φ = 775184256.

The previous prime is 801912257. The next prime is 801912311. The reversal of 801912289 is 982219108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 801912289 - 2⁵ = 801912257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801912229) 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 7 ways as a sum of consecutive naturals, for example, 91959 + ... + 100300.

It is an arithmetic number, because the mean of its divisors is an integer number (103628140).

Almost surely, 2^801912289 is an apocalyptic number.

It is an amenable number.

801912289 is a deficient number, since it is larger than the sum of its proper divisors (27112831).

801912289 is a wasteful number, since it uses less digits than its factorization.

801912289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192399.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 801912289 is about 28318.0558831287. The cubic root of 801912289 is about 929.0568497489.

The spelling of 801912289 in words is "eight hundred one million, nine hundred twelve thousand, two hundred eighty-nine".