320053690491 has 8 divisors (see below), whose sum is σ = 438271720464. Its totient is φ = 207602393760.

The previous prime is 320053690477. The next prime is 320053690511. The reversal of 320053690491 is 194096350023.

It is a happy number.

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

It is not a de Polignac number, because 320053690491 - 2⁶ = 320053690427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320053690291) 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, 1441683180 + ... + 1441683401.

It is an arithmetic number, because the mean of its divisors is an integer number (54783965058).

Almost surely, 2^320053690491 is an apocalyptic number.

320053690491 is a deficient number, since it is larger than the sum of its proper divisors (118218029973).

320053690491 is a wasteful number, since it uses less digits than its factorization.

320053690491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883366621.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 320053690491 in words is "three hundred twenty billion, fifty-three million, six hundred ninety thousand, four hundred ninety-one".