806202422642 has 8 divisors (see below), whose sum is σ = 1241987516076. Its totient is φ = 392206583952.

The previous prime is 806202422633. The next prime is 806202422717. The reversal of 806202422642 is 246224202608.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 794043170281 + 12159252361 = 891091^2 + 110269^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 806202422596 and 806202422605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5447313593 + ... + 5447313740.

Almost surely, 2^806202422642 is an apocalyptic number.

806202422642 is a deficient number, since it is larger than the sum of its proper divisors (435785093434).

806202422642 is a wasteful number, since it uses less digits than its factorization.

806202422642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10894627372.

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 806202422642 in words is "eight hundred six billion, two hundred two million, four hundred twenty-two thousand, six hundred forty-two".