6854985051 has 16 divisors (see below), whose sum is σ = 9355543296. Its totient is φ = 4462276896.

The previous prime is 6854985041. The next prime is 6854985061. The reversal of 6854985051 is 1505894586.

It is an interprime number because it is at equal distance from previous prime (6854985041) and next prime (6854985061).

It is not a de Polignac number, because 6854985051 - 2²³ = 6846596443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6854984985 and 6854985003.

It is not an unprimeable number, because it can be changed into a prime (6854985041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521506 + ... + 534488.

It is an arithmetic number, because the mean of its divisors is an integer number (584721456).

Almost surely, 2^6854985051 is an apocalyptic number.

6854985051 is a deficient number, since it is larger than the sum of its proper divisors (2500558245).

6854985051 is a wasteful number, since it uses less digits than its factorization.

6854985051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17122.

The product of its (nonzero) digits is 1728000, while the sum is 51.

The square root of 6854985051 is about 82794.8371035296. The cubic root of 6854985051 is about 1899.6292028952.

The spelling of 6854985051 in words is "six billion, eight hundred fifty-four million, nine hundred eighty-five thousand, fifty-one".