314394921993 has 8 divisors (see below), whose sum is σ = 423110923488. Its totient is φ = 207637767584.

The previous prime is 314394921991. The next prime is 314394922007. The reversal of 314394921993 is 399129493413.

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 314394921993 - 2¹ = 314394921991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (314394921991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489711396 + ... + 489712037.

It is an arithmetic number, because the mean of its divisors is an integer number (52888865436).

Almost surely, 2^314394921993 is an apocalyptic number.

It is an amenable number.

314394921993 is a deficient number, since it is larger than the sum of its proper divisors (108716001495).

314394921993 is a wasteful number, since it uses less digits than its factorization.

314394921993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979423543.

The product of its digits is 5668704, while the sum is 57.

The spelling of 314394921993 in words is "three hundred fourteen billion, three hundred ninety-four million, nine hundred twenty-one thousand, nine hundred ninety-three".