394210050433 has 2 divisors, whose sum is σ = 394210050434. Its totient is φ = 394210050432.

The previous prime is 394210050427. The next prime is 394210050463. The reversal of 394210050433 is 334050012493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331513395984 + 62696654449 = 575772^2 + 250393^2 .

It is a cyclic number.

It is not a de Polignac number, because 394210050433 - 2¹³ = 394210042241 is a prime.

It is not a weakly prime, because it can be changed into another prime (394210050463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197105025216 + 197105025217.

It is an arithmetic number, because the mean of its divisors is an integer number (197105025217).

Almost surely, 2^394210050433 is an apocalyptic number.

It is an amenable number.

394210050433 is a deficient number, since it is larger than the sum of its proper divisors (1).

394210050433 is an equidigital number, since it uses as much as digits as its factorization.

394210050433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 394210050433 in words is "three hundred ninety-four billion, two hundred ten million, fifty thousand, four hundred thirty-three".