394831835353 has 2 divisors, whose sum is σ = 394831835354. Its totient is φ = 394831835352.

The previous prime is 394831835323. The next prime is 394831835449. The reversal of 394831835353 is 353538138493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394149162969 + 682672384 = 627813^2 + 26128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394831835353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394831835294 and 394831835303.

It is not a weakly prime, because it can be changed into another prime (394831835323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197415917676 + 197415917677.

It is an arithmetic number, because the mean of its divisors is an integer number (197415917677).

Almost surely, 2^394831835353 is an apocalyptic number.

It is an amenable number.

394831835353 is a deficient number, since it is larger than the sum of its proper divisors (1).

394831835353 is an equidigital number, since it uses as much as digits as its factorization.

394831835353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13996800, while the sum is 55.

The spelling of 394831835353 in words is "three hundred ninety-four billion, eight hundred thirty-one million, eight hundred thirty-five thousand, three hundred fifty-three".