6800971025 has 12 divisors (see below), whose sum is σ = 8437447692. Its totient is φ = 5438039040.

The previous prime is 6800971003. The next prime is 6800971043. The reversal of 6800971025 is 5201790086.

It is a Cunningham number, because it is equal to 82468²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1 + 6800971024 = 1^2 + 82468^2 .

It is not a de Polignac number, because 6800971025 - 2¹⁸ = 6800708881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6800971025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17012 + ... + 117861.

It is an arithmetic number, because the mean of its divisors is an integer number (703120641).

Almost surely, 2^6800971025 is an apocalyptic number.

It is an amenable number.

6800971025 is a deficient number, since it is larger than the sum of its proper divisors (1636476667).

6800971025 is a wasteful number, since it uses less digits than its factorization.

6800971025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136900 (or 136895 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 6800971025 is about 82468.0000060630. Note that the first 5 decimals coincide. The cubic root of 6800971025 is about 1894.6266486229.

The spelling of 6800971025 in words is "six billion, eight hundred million, nine hundred seventy-one thousand, twenty-five".