394825039463 has 2 divisors, whose sum is σ = 394825039464. Its totient is φ = 394825039462.

The previous prime is 394825039397. The next prime is 394825039471. The reversal of 394825039463 is 364930528493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 394825039463 - 2¹⁴ = 394825023079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394825039399 and 394825039408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (394825039663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197412519731 + 197412519732.

It is an arithmetic number, because the mean of its divisors is an integer number (197412519732).

Almost surely, 2^394825039463 is an apocalyptic number.

394825039463 is a deficient number, since it is larger than the sum of its proper divisors (1).

394825039463 is an equidigital number, since it uses as much as digits as its factorization.

394825039463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 394825039463 in words is "three hundred ninety-four billion, eight hundred twenty-five million, thirty-nine thousand, four hundred sixty-three".