806530421295 has 80 divisors (see below), whose sum is σ = 1451266740000. Its totient is φ = 428520056832.

The previous prime is 806530421293. The next prime is 806530421297. The reversal of 806530421295 is 592124035608.

806530421295 is a `hidden beast` number, since 8 + 0 + 6 + 530 + 4 + 21 + 2 + 95 = 666.

It is an interprime number because it is at equal distance from previous prime (806530421293) and next prime (806530421297).

It is not a de Polignac number, because 806530421295 - 2¹ = 806530421293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 806530421295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806530421293) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 161013751 + ... + 161018759.

It is an arithmetic number, because the mean of its divisors is an integer number (18140834250).

Almost surely, 2^806530421295 is an apocalyptic number.

806530421295 is a deficient number, since it is larger than the sum of its proper divisors (644736318705).

806530421295 is a wasteful number, since it uses less digits than its factorization.

806530421295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 806530421295 in words is "eight hundred six billion, five hundred thirty million, four hundred twenty-one thousand, two hundred ninety-five".