320235550489 has 4 divisors (see below), whose sum is σ = 320249437200. Its totient is φ = 320221663780.

The previous prime is 320235550487. The next prime is 320235550493. The reversal of 320235550489 is 984055532023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320235550489 - 2¹ = 320235550487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320235550487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6908707 + ... + 6954904.

It is an arithmetic number, because the mean of its divisors is an integer number (80062359300).

Almost surely, 2^320235550489 is an apocalyptic number.

It is an amenable number.

320235550489 is a deficient number, since it is larger than the sum of its proper divisors (13886711).

320235550489 is a wasteful number, since it uses less digits than its factorization.

320235550489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13886710.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 320235550489 in words is "three hundred twenty billion, two hundred thirty-five million, five hundred fifty thousand, four hundred eighty-nine".