801951923912 has 16 divisors (see below), whose sum is σ = 1503692521200. Its totient is φ = 400967251600.

The previous prime is 801951923891. The next prime is 801951923947. The reversal of 801951923912 is 219329159108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688862 + ... + 1441677.

It is an arithmetic number, because the mean of its divisors is an integer number (93980782575).

Almost surely, 2^801951923912 is an apocalyptic number.

It is an amenable number.

801951923912 is a deficient number, since it is larger than the sum of its proper divisors (701740597288).

801951923912 is a wasteful number, since it uses less digits than its factorization.

801951923912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177596 (or 2177592 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 801951923912 in words is "eight hundred one billion, nine hundred fifty-one million, nine hundred twenty-three thousand, nine hundred twelve".