394862271311 has 4 divisors (see below), whose sum is σ = 400423711824. Its totient is φ = 389300830800.

The previous prime is 394862271299. The next prime is 394862271347. The reversal of 394862271311 is 113172268493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113172268493 = 29 ⋅3902492017.

It is a cyclic number.

It is not a de Polignac number, because 394862271311 - 2¹⁸ = 394862009167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394862271211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780720150 + ... + 2780720291.

It is an arithmetic number, because the mean of its divisors is an integer number (100105927956).

Almost surely, 2^394862271311 is an apocalyptic number.

394862271311 is a deficient number, since it is larger than the sum of its proper divisors (5561440513).

394862271311 is an equidigital number, since it uses as much as digits as its factorization.

394862271311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561440512.

The product of its digits is 435456, while the sum is 47.

The spelling of 394862271311 in words is "three hundred ninety-four billion, eight hundred sixty-two million, two hundred seventy-one thousand, three hundred eleven".