320795692249 has 4 divisors (see below), whose sum is σ = 321351664564. Its totient is φ = 320239719936.

The previous prime is 320795692223. The next prime is 320795692253. The reversal of 320795692249 is 942296597023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942296597023 = 757 ⋅1244777539.

It can be written as a sum of positive squares in 2 ways, for example, as 213314659600 + 107481032649 = 461860^2 + 327843^2 .

It is a cyclic number.

It is not a de Polignac number, because 320795692249 - 2²⁷ = 320661474521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320795692193 and 320795692202.

It is not an unprimeable number, because it can be changed into a prime (320795692649) 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, 277985292 + ... + 277986445.

It is an arithmetic number, because the mean of its divisors is an integer number (80337916141).

Almost surely, 2^320795692249 is an apocalyptic number.

It is an amenable number.

320795692249 is a deficient number, since it is larger than the sum of its proper divisors (555972315).

320795692249 is an equidigital number, since it uses as much as digits as its factorization.

320795692249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555972314.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 320795692249 in words is "three hundred twenty billion, seven hundred ninety-five million, six hundred ninety-two thousand, two hundred forty-nine".