825314246438851 has 16 divisors (see below), whose sum is σ = 930245378146560. Its totient is φ = 726504027939360.

The previous prime is 825314246438849. The next prime is 825314246438887. The reversal of 825314246438851 is 158834642413528.

It is a cyclic number.

It is not a de Polignac number, because 825314246438851 - 2¹ = 825314246438849 is a prime.

It is a super-2 number, since 2×825314246438851² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (825314246430851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4169460421 + ... + 4169658358.

It is an arithmetic number, because the mean of its divisors is an integer number (58140336134160).

Almost surely, 2^{825314246438851} is an apocalyptic number.

825314246438851 is a deficient number, since it is larger than the sum of its proper divisors (104931131707709).

825314246438851 is a wasteful number, since it uses less digits than its factorization.

825314246438851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339119146.

The product of its digits is 176947200, while the sum is 64.

The spelling of 825314246438851 in words is "eight hundred twenty-five trillion, three hundred fourteen billion, two hundred forty-six million, four hundred thirty-eight thousand, eight hundred fifty-one".