6700860851 has 2 divisors, whose sum is σ = 6700860852. Its totient is φ = 6700860850.

The previous prime is 6700860847. The next prime is 6700860869. The reversal of 6700860851 is 1580680076.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6700860851 - 2² = 6700860847 is a prime.

It is a super-4 number, since 4×6700860851⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6700860799 and 6700860808.

It is not a weakly prime, because it can be changed into another prime (6700860821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3350430425 + 3350430426.

It is an arithmetic number, because the mean of its divisors is an integer number (3350430426).

Almost surely, 2^6700860851 is an apocalyptic number.

6700860851 is a deficient number, since it is larger than the sum of its proper divisors (1).

6700860851 is an equidigital number, since it uses as much as digits as its factorization.

6700860851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 6700860851 is about 81858.7860342431. The cubic root of 6700860851 is about 1885.2843678335.

The spelling of 6700860851 in words is "six billion, seven hundred million, eight hundred sixty thousand, eight hundred fifty-one".