806320753021 has 8 divisors (see below), whose sum is σ = 922308668864. Its totient is φ = 690532646400.

The previous prime is 806320752899. The next prime is 806320753033. The reversal of 806320753021 is 120357023608.

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 806320753021 - 2¹³ = 806320744829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806320753421) 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, 49943655 + ... + 49959796.

It is an arithmetic number, because the mean of its divisors is an integer number (115288583608).

Almost surely, 2^806320753021 is an apocalyptic number.

It is an amenable number.

806320753021 is a deficient number, since it is larger than the sum of its proper divisors (115987915843).

806320753021 is a wasteful number, since it uses less digits than its factorization.

806320753021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99904611.

The product of its (nonzero) digits is 60480, while the sum is 37.

Adding to 806320753021 its reverse (120357023608), we get a palindrome (926677776629).

The spelling of 806320753021 in words is "eight hundred six billion, three hundred twenty million, seven hundred fifty-three thousand, twenty-one".