806463031081 has 8 divisors (see below), whose sum is σ = 841624439040. Its totient is φ = 771309772992.

The previous prime is 806463031061. The next prime is 806463031151. The reversal of 806463031081 is 180130364608.

It is a happy number.

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 806463031081 - 2²⁵ = 806429476649 is a prime.

It is a super-2 number, since 2×806463031081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806463031061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834816 + ... + 2231473.

It is an arithmetic number, because the mean of its divisors is an integer number (105203054880).

Almost surely, 2^806463031081 is an apocalyptic number.

It is an amenable number.

806463031081 is a deficient number, since it is larger than the sum of its proper divisors (35161407959).

806463031081 is a wasteful number, since it uses less digits than its factorization.

806463031081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074935.

The product of its (nonzero) digits is 82944, while the sum is 40.

Adding to 806463031081 its reverse (180130364608), we get a palindrome (986593395689).

The spelling of 806463031081 in words is "eight hundred six billion, four hundred sixty-three million, thirty-one thousand, eighty-one".