806494831625 has 64 divisors (see below), whose sum is σ = 1168751960064. Its totient is φ = 544218840000.

The previous prime is 806494831621. The next prime is 806494831651. The reversal of 806494831625 is 526138494608.

It is not a de Polignac number, because 806494831625 - 2² = 806494831621 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806494831621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14108852 + ... + 14165898.

It is an arithmetic number, because the mean of its divisors is an integer number (18261749376).

Almost surely, 2^806494831625 is an apocalyptic number.

It is an amenable number.

806494831625 is a deficient number, since it is larger than the sum of its proper divisors (362257128439).

806494831625 is a wasteful number, since it uses less digits than its factorization.

806494831625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57327 (or 57317 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 806494831625 in words is "eight hundred six billion, four hundred ninety-four million, eight hundred thirty-one thousand, six hundred twenty-five".