6849967825 has 24 divisors (see below), whose sum is σ = 8605669688. Its totient is φ = 5408225280.

The previous prime is 6849967759. The next prime is 6849967843. The reversal of 6849967825 is 5287699486.

It can be written as a sum of positive squares in 12 ways, for example, as 192876544 + 6657091281 = 13888^2 + 81591^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6849967825 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 900739 + ... + 908311.

Almost surely, 2^6849967825 is an apocalyptic number.

It is an amenable number.

6849967825 is a deficient number, since it is larger than the sum of its proper divisors (1755701863).

6849967825 is a wasteful number, since it uses less digits than its factorization.

6849967825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053 (or 8048 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 64.

The square root of 6849967825 is about 82764.5324097225. The cubic root of 6849967825 is about 1899.1656378086.

The spelling of 6849967825 in words is "six billion, eight hundred forty-nine million, nine hundred sixty-seven thousand, eight hundred twenty-five".