393313213403 has 8 divisors (see below), whose sum is σ = 442909894656. Its totient is φ = 346023354600.

The previous prime is 393313213393. The next prime is 393313213439. The reversal of 393313213403 is 304312313393.

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

It is not a de Polignac number, because 393313213403 - 2⁴ = 393313213387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393313233403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576705251 + ... + 576705932.

It is an arithmetic number, because the mean of its divisors is an integer number (55363736832).

Almost surely, 2^393313213403 is an apocalyptic number.

393313213403 is a deficient number, since it is larger than the sum of its proper divisors (49596681253).

393313213403 is a wasteful number, since it uses less digits than its factorization.

393313213403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153411225.

The product of its (nonzero) digits is 52488, while the sum is 35.

Adding to 393313213403 its reverse (304312313393), we get a palindrome (697625526796).

The spelling of 393313213403 in words is "three hundred ninety-three billion, three hundred thirteen million, two hundred thirteen thousand, four hundred three".