394820286011 has 2 divisors, whose sum is σ = 394820286012. Its totient is φ = 394820286010.

The previous prime is 394820285987. The next prime is 394820286041. The reversal of 394820286011 is 110682028493.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394820286011 is a prime.

It is not a weakly prime, because it can be changed into another prime (394820286041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197410143005 + 197410143006.

It is an arithmetic number, because the mean of its divisors is an integer number (197410143006).

Almost surely, 2^394820286011 is an apocalyptic number.

394820286011 is a deficient number, since it is larger than the sum of its proper divisors (1).

394820286011 is an equidigital number, since it uses as much as digits as its factorization.

394820286011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 394820286011 in words is "three hundred ninety-four billion, eight hundred twenty million, two hundred eighty-six thousand, eleven".