321233797249 has 4 divisors (see below), whose sum is σ = 321281176660. Its totient is φ = 321186417840.

The previous prime is 321233797237. The next prime is 321233797253. The reversal of 321233797249 is 942797332123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100747203649 + 220486593600 = 317407^2 + 469560^2 .

It is a cyclic number.

It is not a de Polignac number, because 321233797249 - 2¹³ = 321233789057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321233797196 and 321233797205.

It is not an unprimeable number, because it can be changed into a prime (321233797219) 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, 23679534 + ... + 23693095.

It is an arithmetic number, because the mean of its divisors is an integer number (80320294165).

Almost surely, 2^321233797249 is an apocalyptic number.

It is an amenable number.

321233797249 is a deficient number, since it is larger than the sum of its proper divisors (47379411).

321233797249 is an equidigital number, since it uses as much as digits as its factorization.

321233797249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47379410.

The product of its digits is 3429216, while the sum is 52.

The spelling of 321233797249 in words is "three hundred twenty-one billion, two hundred thirty-three million, seven hundred ninety-seven thousand, two hundred forty-nine".