396918208913 has 8 divisors (see below), whose sum is σ = 414183916608. Its totient is φ = 379653200784.

The previous prime is 396918208891. The next prime is 396918208919. The reversal of 396918208913 is 319802819693.

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

It is a cyclic number.

It is not a de Polignac number, because 396918208913 - 2¹² = 396918204817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396918208919) 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 7 ways as a sum of consecutive naturals, for example, 1222031 + ... + 1512347.

It is an arithmetic number, because the mean of its divisors is an integer number (51772989576).

Almost surely, 2^396918208913 is an apocalyptic number.

It is an amenable number.

396918208913 is a deficient number, since it is larger than the sum of its proper divisors (17265707695).

396918208913 is a wasteful number, since it uses less digits than its factorization.

396918208913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349783.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 396918208913 in words is "three hundred ninety-six billion, nine hundred eighteen million, two hundred eight thousand, nine hundred thirteen".