6850408811 has 2 divisors, whose sum is σ = 6850408812. Its totient is φ = 6850408810.

The previous prime is 6850408777. The next prime is 6850408823. The reversal of 6850408811 is 1188040586.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6850408811 is a prime.

It is not a weakly prime, because it can be changed into another prime (6850408871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3425204405 + 3425204406.

It is an arithmetic number, because the mean of its divisors is an integer number (3425204406).

Almost surely, 2^6850408811 is an apocalyptic number.

6850408811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6850408811 is an equidigital number, since it uses as much as digits as its factorization.

6850408811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 6850408811 is about 82767.1964669578. The cubic root of 6850408811 is about 1899.2063916490.

The spelling of 6850408811 in words is "six billion, eight hundred fifty million, four hundred eight thousand, eight hundred eleven".