393696696394 has 8 divisors (see below), whose sum is σ = 598020298560. Its totient is φ = 194356596876.

The previous prime is 393696696391. The next prime is 393696696397. The reversal of 393696696394 is 493696696393.

It is an interprime number because it is at equal distance from previous prime (393696696391) and next prime (393696696397).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (393696696391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245875464 + ... + 1245875779.

It is an arithmetic number, because the mean of its divisors is an integer number (74752537320).

Almost surely, 2^393696696394 is an apocalyptic number.

393696696394 is a deficient number, since it is larger than the sum of its proper divisors (204323602166).

393696696394 is a wasteful number, since it uses less digits than its factorization.

393696696394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491751324.

The product of its digits is 918330048, while the sum is 73.

Subtracting 393696696394 from its reverse (493696696393), we obtain a palindrome (99999999999).

The spelling of 393696696394 in words is "three hundred ninety-three billion, six hundred ninety-six million, six hundred ninety-six thousand, three hundred ninety-four".