801945699 has 8 divisors (see below), whose sum is σ = 1072054272. Its totient is φ = 533233800.

The previous prime is 801945647. The next prime is 801945719. The reversal of 801945699 is 996549108.

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

It is not a de Polignac number, because 801945699 - 2¹² = 801941603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (801945499) 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, 347827 + ... + 350124.

It is an arithmetic number, because the mean of its divisors is an integer number (134006784).

Almost surely, 2^801945699 is an apocalyptic number.

801945699 is a deficient number, since it is larger than the sum of its proper divisors (270108573).

801945699 is a wasteful number, since it uses less digits than its factorization.

801945699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698337.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 801945699 is about 28318.6457832997. The cubic root of 801945699 is about 929.0697519739.

The spelling of 801945699 in words is "eight hundred one million, nine hundred forty-five thousand, six hundred ninety-nine".